* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #090a0f; color: #e2e8f0; font-family: "Microsoft YaHei", sans-serif; display: flex; justify-content: center; align-items: center; min-height: 100vh; background-image: radial-gradient(circle at 50% 0%, #1a2333 0%, #090a0f 70%); padding: 20px; }
.container { width: 100%; max-width: 500px; padding: 30px; background: rgba(15, 23, 42, 0.85); border: 1px solid #3b82f6; border-radius: 12px; box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); backdrop-filter: blur(10px); }
h1 { text-align: center; color: #60a5fa; text-shadow: 0 0 10px rgba(96, 165, 250, 0.8); letter-spacing: 2px; margin-bottom: 5px; font-size: 28px; }
.subtitle { text-align: center; color: #94a3b8; font-size: 13px; margin-bottom: 25px; letter-spacing: 1px; }
.form-group { margin-bottom: 15px; }
label { display: block; margin-bottom: 6px; font-size: 14px; color: #cbd5e1; font-weight: bold; }
.req { color: #ef4444; }
input, select, textarea { width: 100%; padding: 12px; background: #0f172a; border: 1px solid #334155; border-radius: 6px; color: #fff; font-size: 14px; outline: none; transition: 0.3s; }
input:focus, select:focus, textarea:focus { border-color: #3b82f6; box-shadow: 0 0 8px rgba(59, 130, 246, 0.5); }
textarea { resize: vertical; height: 80px; }
.btn { display: block; width: 100%; padding: 14px; background: linear-gradient(90deg, #2563eb, #7c3aed); color: #fff; border: none; border-radius: 6px; font-size: 16px; font-weight: bold; cursor: pointer; margin-top: 10px; transition: 0.3s; text-transform: uppercase; letter-spacing: 1px; text-align: center; text-decoration: none; }
.btn:hover { background: linear-gradient(90deg, #1d4ed8, #6d28d9); box-shadow: 0 0 15px rgba(59, 130, 246, 0.6); }
.success { background: rgba(16, 185, 129, 0.2); border: 1px solid #10b981; color: #10b981; padding: 10px; border-radius: 6px; text-align: center; margin-bottom: 20px; }
.error { background: rgba(239, 68, 68, 0.2); border: 1px solid #ef4444; color: #ef4444; padding: 10px; border-radius: 6px; text-align: center; margin-bottom: 20px; }
.footer { text-align: center; margin-top: 20px; font-size: 12px; color: #64748b; }
.links { text-align: center; margin-top: 15px; font-size: 14px; }
.links a { color: #60a5fa; text-decoration: none; }