:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#342820;background:#f6eee2}
*{box-sizing:border-box}
body{min-height:100vh;min-height:100dvh;margin:0;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#fff9ef 0,#f6eee2 42%,#ead9c7 100%)}
.login-card{width:min(100%,470px);padding:clamp(28px,7vw,54px);background:#fffaf3;border:1px solid #e7d9c6;border-radius:28px;box-shadow:0 18px 55px #72533220}
.eyebrow{color:#9a5b3a;font-size:14px;font-weight:700;letter-spacing:.13em}
h1{font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:clamp(34px,8vw,48px);line-height:1.18;margin:18px 0}
.intro{font-size:17px;line-height:1.65;color:#69574c;margin:0 0 25px}
form{display:grid;gap:9px}
form>label:not(.remember-option){font-size:16px;font-weight:650;margin-top:8px}
input,select,button{font:inherit;min-height:48px;border-radius:12px}
input:not([type=checkbox]),select{width:100%;padding:10px 14px;border:1px solid #bba996;background:#fff;color:#342820}
button{border:0;font-weight:700;cursor:pointer}
input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid #dca36b;outline-offset:2px}
.code-field{display:flex;align-items:stretch;gap:8px}
.code-field input{min-width:0;flex:1}
.field-action{flex:none;min-width:58px;padding:0 12px;background:#f0e4d4;color:#704329}
.paste-action{justify-self:start;min-height:44px;padding:0 13px;background:transparent;color:#884b31;text-decoration:underline;text-underline-offset:3px}
.hint{font-size:14px;line-height:1.5;color:#715e50;margin:0}
.remember-option{display:flex;align-items:flex-start;gap:12px;min-height:48px;margin-top:15px;padding:7px 0;cursor:pointer;font-size:16px;line-height:1.45;font-weight:650}
.remember-option input{flex:none;width:22px;height:22px;margin:1px 0 0;accent-color:#954c31}
.remember-option small{display:block;font-size:14px;font-weight:400;color:#715e50}
.session-hint{margin-left:34px}
.submit-action{width:100%;margin-top:18px;background:#954c31;color:#fff}
.submit-action:disabled{opacity:.55;cursor:wait}
#feedback{min-height:24px;margin:3px 0;color:#92372d;font-size:15px;line-height:1.5}
.privacy-note{font-size:14px;line-height:1.6;color:#7a685b;margin:19px 0 0}
@media(max-width:480px){body{padding:16px}.login-card{padding:28px 24px;border-radius:22px}h1{margin:14px 0;font-size:36px}.intro{margin-bottom:18px}.submit-action{margin-top:11px}}