:root{color-scheme:light;--restore-bg:#f8f6f0;--restore-text:#393832;--restore-muted:#69616e;--restore-primary:#6b557c;--restore-border:#e6dfe7}
*{box-sizing:border-box}body{margin:0;padding:clamp(16px,4vw,40px);background:var(--restore-bg);color:var(--restore-text);font:16px/1.7 "YouYuan","Microsoft YaHei",system-ui,sans-serif;overflow-wrap:anywhere}
main{max-width:620px;margin:auto;padding-bottom:env(safe-area-inset-bottom)}h1{font-size:28px;margin:8px 0 16px}h2{font-size:19px;margin-top:0}.eyebrow{font:11px/1.4 system-ui;letter-spacing:.16em;color:var(--restore-muted)}
section{margin:20px 0;padding:20px;border:1px solid var(--restore-border);border-radius:20px;background:#fffcf9}p{margin:12px 0}button,input{font:inherit;max-width:100%}button{display:block;margin:16px 0;padding:12px 20px;min-height:44px;border:0;border-radius:14px;background:var(--restore-primary);color:#fff;cursor:pointer}button:disabled{opacity:.5;cursor:default}button:active:not(:disabled){transform:translateY(1px)}a{color:var(--restore-primary);display:inline-block;padding:10px 0}summary{min-height:44px;cursor:pointer}input{display:block;margin-top:10px}input::file-selector-button{min-height:44px;border:1px solid var(--restore-border);border-radius:12px;background:#eee7f1;color:var(--restore-text);padding:8px 12px}:focus-visible{outline:3px solid #9776af;outline-offset:3px}