:root{--zg-primary: #26b5a6;--zg-primary-deep: #1e9e91;--zg-primary-light: #7fd9cf;--zg-primary-bg: #e6f7f5;--zg-bg-page: #f2fbfa;--zg-accent: #ffc53d;--zg-accent-soft: #fff3d6;--zg-danger: #ff6b6b;--zg-success: #52c41a;--zg-text-main: #2b3f3d;--zg-text-sub: #7a9b97;--zg-white: #ffffff;--zg-radius: 24px;--zg-shadow: 0 4px 16px rgba(38, 181, 166, .08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:PingFang SC,Segoe UI,sans-serif;background:var(--zg-bg-page);color:var(--zg-text-main)}button,input{font:inherit}.page{max-width:520px;margin:0 auto;padding:24px 16px 40px}.hero{text-align:center;margin-bottom:24px}.logo{width:72px;height:72px;margin:0 auto 12px;border-radius:20px;display:grid;place-items:center;color:#fff;font-weight:700;background:linear-gradient(135deg,var(--zg-primary),var(--zg-primary-light));box-shadow:var(--zg-shadow)}.hero h1{margin:0;font-size:28px}.hero p{margin:8px 0 0;color:var(--zg-text-sub)}.card{background:var(--zg-white);border-radius:var(--zg-radius);padding:20px;box-shadow:var(--zg-shadow)}.card label{display:block;font-size:13px;color:var(--zg-text-sub);margin-bottom:6px}.card input,.row input{width:100%;border:1px solid #d7ebe8;background:var(--zg-primary-bg);border-radius:16px;padding:12px 14px;margin-bottom:12px;outline:none}.row{display:flex;gap:8px}.row input{margin-bottom:0;flex:1}.btn{border:none;border-radius:16px;padding:12px 18px;cursor:pointer;transition:transform .15s ease}.btn:active{transform:scale(.98)}.btn.primary{width:100%;color:#fff;font-weight:600;margin-bottom:12px;background:linear-gradient(135deg,var(--zg-primary),var(--zg-primary-light))}.btn.ghost{background:transparent;color:var(--zg-text-main);border:1px solid #cfe8e4}.btn.soft{background:var(--zg-primary-bg);color:var(--zg-text-main);display:flex;flex-direction:column;gap:4px}.btn.sm{width:auto;padding:8px 12px;margin:0;font-size:14px}.hint{font-size:13px;color:var(--zg-text-sub);line-height:1.5}.topbar{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}.code{font-weight:700;font-size:18px;letter-spacing:1px}.sub{color:var(--zg-text-sub);font-size:13px;margin-top:2px}.scores{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;max-width:55%}.scores span{background:var(--zg-white);border-radius:999px;padding:4px 10px;font-size:12px;box-shadow:var(--zg-shadow)}.scores .off{opacity:.45}.play{display:flex;flex-direction:column;gap:10px}.meta{display:flex;justify-content:space-between;align-items:center;font-weight:600}.timer.warn{color:var(--zg-danger)}.board-wrap{background:#fff;border-radius:var(--zg-radius);overflow:hidden;box-shadow:var(--zg-shadow);height:min(58vh,420px)}#board{width:100%;height:100%;display:block;touch-action:none}.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.swatch{width:28px;height:28px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #d7ebe8;padding:0}.guess-bar{display:flex;flex-direction:column;gap:8px}.guess-log{max-height:88px;overflow:auto;font-size:13px;color:var(--zg-text-sub)}.guess-log .ok{color:var(--zg-success);font-weight:600}#guess-form{display:flex;gap:8px}#guess-form input{flex:1;margin:0;border-radius:16px;border:1px solid #d7ebe8;padding:10px 12px;background:#fff}.word-opts{display:grid;gap:10px}.word-opts small{color:var(--zg-text-sub)}.big{text-align:center;font-size:20px;padding:40px 0}.toast{position:fixed;left:50%;bottom:24%;transform:translate(-50%);background:#2b3f3deb;color:#fff;padding:10px 16px;border-radius:12px;z-index:9}