:root{ --g1:#6a11cb; --g2:#2575fc; --glass-bg:rgba(255,255,255,0.95);
--text:#141414; --muted:#5b5b5b; --radius:20px; --shadow:0 20px 40px rgba(0,0,0,0.2); }
*{box-sizing:border-box} html,body{height:100%}
body{ margin:0; font-family:'Noto Sans SC',Arial,system-ui; color:var(--text);
background: radial-gradient(1200px 800px at 10% 10%, rgba(255,255,255,0.15), transparent 60%),
            radial-gradient(1200px 800px at 90% 20%, rgba(255,255,255,0.15), transparent 60%),
            linear-gradient(135deg,var(--g1),var(--g2)); background-attachment:fixed; }
.container{max-width:1200px;margin:0 auto;padding:28px}
.nav{position:sticky;top:0;z-index:30;backdrop-filter:blur(10px);background:rgba(255,255,255,0.45);border-bottom:1px solid rgba(255,255,255,0.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand .logo{width:38px;height:38px;border-radius:50%;background:conic-gradient(from 45deg, var(--g1), var(--g2), #00d4ff, #ff6ec7, var(--g1));box-shadow:var(--shadow);animation:spin 14s linear infinite}
@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}
.nav a{text-decoration:none;color:#111;font-weight:600;padding:10px 14px;border-radius:12px;transition:transform .2s ease, background .2s ease}
.nav a:hover{transform:translateY(-3px);background:rgba(255,255,255,0.6)}
.hero{margin-top:26px;background:var(--glass-bg);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.5);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px}
h1{font-size:3em;line-height:1.1;margin:0 0 8px} h2{font-size:1.8em;margin:0 0 10px} p.lead{font-size:1.1em;color:var(--muted);margin:0}
.grid{display:grid;gap:20px} .grid-3{grid-template-columns:repeat(3,1fr)} @media (max-width:980px){.grid-3{grid-template-columns:1fr}}
.card{background:rgba(255,255,255,0.75);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.6);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column;gap:10px;transform:translateY(0);transition:transform .2s, box-shadow .2s}
.card:hover{transform:translateY(-5px);box-shadow:0 28px 60px rgba(0,0,0,0.25)}
.card .tag{display:inline-block;padding:6px 10px;border-radius:999px;background:linear-gradient(45deg,#ff6ec7,#ffd86f,#42e695);font-size:12px;font-weight:700;color:#111}
.card h3{margin:6px 0 6px} .card p{color:#333;flex:1} .actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;color:#fff;font-weight:700;background:linear-gradient(135deg,var(--g1),var(--g2));padding:12px 16px;border-radius:14px;transition:transform .2s, filter .2s;box-shadow:var(--shadow)}
.btn:hover{transform:translateY(-3px);filter:brightness(1.07)} .footer{color:#f0f0f0;text-align:center;margin:34px 0}
.section{margin-top:22px;background:var(--glass-bg);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.5);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.list{margin:0;padding-left:18px;color:#2c2c2c} .kbd{font-family:ui-monospace,Consolas,monospace;background:rgba(0,0,0,0.06);padding:2px 6px;border-radius:6px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px} .form .full{grid-column:1/-1}
label{font-weight:700;margin-bottom:6px;display:block}
input,select,textarea{width:100%;border:1px solid rgba(0,0,0,0.08);border-radius:14px;padding:12px 14px;background:#fff;font-size:16px}
textarea{min-height:150px;resize:vertical} .note{font-size:12px;color:#666}