:root{color-scheme:light;font-family:"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;color:#202336;background:radial-gradient(circle at top left,#ece7ff 0,transparent 35%),#f6f7fb}.registration-page{display:grid;min-height:100vh;padding:32px 16px;place-items:center}.registration-card{width:min(100%,520px);padding:36px;border:1px solid #e6e8f1;border-radius:20px;background:#fff;box-shadow:0 20px 60px rgba(50,47,93,.12)}.back-link,.login-prompt a{color:#635bdb;text-decoration:none;font-weight:600}.back-link:hover,.login-prompt a:hover{text-decoration:underline}.eyebrow{margin:30px 0 8px;color:#756ee7;font-size:12px;font-weight:700;letter-spacing:.12em}h1{margin:0;font-size:clamp(28px,6vw,36px)}.intro{margin:12px 0 24px;color:#687086;line-height:1.7}.welcome-reward{display:flex;gap:10px;align-items:center;margin-bottom:24px;padding:14px;color:#715013;border:1px solid #f6d98c;border-radius:12px;background:#fff8e8;line-height:1.6}.reward-icon{font-size:22px}.registration-form{display:grid;gap:9px}.registration-form label{margin-top:7px;font-size:14px;font-weight:700}.registration-form input,.registration-form textarea{width:100%;padding:12px 13px;color:inherit;border:1px solid #d9ddea;border-radius:10px;outline:0;font:inherit;transition:border-color .2s,box-shadow .2s}.registration-form textarea{resize:vertical}.registration-form input:focus,.registration-form textarea:focus{border-color:#756ee7;box-shadow:0 0 0 3px rgba(117,110,231,.14)}.field-tip{margin:-2px 0 2px;color:#848ba0;font-size:12px}.registration-form button{margin-top:12px;min-height:48px;border:0;border-radius:10px;color:#fff;background:#635bdb;cursor:pointer;font:inherit;font-weight:700}.registration-form button:disabled{cursor:not-allowed;opacity:.65}.form-message{display:none;margin:7px 0 0;padding:10px 12px;border-radius:8px;font-size:14px}.form-message.is-error{display:block;color:#aa2948;background:#fff0f3}.form-message.is-success{display:block;color:#167248;background:#eaf9f0}.login-prompt{margin:24px 0 0;text-align:center;color:#687086;font-size:14px}@media(max-width:480px){.registration-page{padding:16px}.registration-card{padding:25px 20px;border-radius:16px}.eyebrow{margin-top:24px}}