.bottom-nav[data-v-adaf015c]{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:900px;height:64px;background:#fff;display:flex;align-items:center;justify-content:space-around;box-shadow:0 -2px 12px #0000000f;z-index:100;border-top:1px solid #f0f0f0}.nav-item[data-v-adaf015c]{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:#999;font-size:12px;flex:1;padding:8px 0;transition:color .2s}.nav-icon[data-v-adaf015c]{font-size:24px;line-height:1}.nav-item.active[data-v-adaf015c]{color:var(--primary)}.nav-item.active .nav-icon[data-v-adaf015c]{transform:scale(1.15);transition:transform .2s}.app-container[data-v-8adc7829]{min-height:100vh;padding-bottom:70px}.fade-enter-active[data-v-8adc7829],.fade-leave-active[data-v-8adc7829]{transition:opacity .25s ease}.fade-enter-from[data-v-8adc7829],.fade-leave-to[data-v-8adc7829]{opacity:0}:root{--bg-color: #FFF9E8;--primary: #63B8FF;--primary-dark: #4A9DE0;--accent: #FFB86C;--accent-dark: #E89E4F;--text: #333333;--text-light: #666666;--white: #FFFFFF;--success: #7ED957;--danger: #FF6B6B;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 8px;--shadow: 0 4px 12px rgba(0,0,0,.08);--shadow-hover: 0 6px 20px rgba(0,0,0,.12)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,Microsoft YaHei,PingFang SC,Heiti SC,sans-serif;background:var(--bg-color);color:var(--text);user-select:none;-webkit-user-select:none;overscroll-behavior:none}#app{max-width:900px;margin:0 auto;min-height:100vh;position:relative}.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:var(--radius-md);font-size:18px;font-weight:700;padding:12px 32px;cursor:pointer;transition:all .2s;min-height:48px}.btn-primary{background:var(--primary);color:var(--white);box-shadow:0 4px 0 var(--primary-dark)}.btn-primary:active{transform:translateY(2px);box-shadow:0 2px 0 var(--primary-dark)}.btn-accent{background:var(--accent);color:var(--white);box-shadow:0 4px 0 var(--accent-dark)}.btn-accent:active{transform:translateY(2px);box-shadow:0 2px 0 var(--accent-dark)}.btn-outline{background:var(--white);color:var(--primary);border:2px solid var(--primary)}.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:16px}.page{padding:16px 16px 90px}.page-title{font-size:24px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pop{0%{transform:scale(0)}80%{transform:scale(1.1)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-bounce{animation:bounce .5s ease}.animate-pop{animation:pop .3s ease}.animate-shake{animation:shake .4s ease}.animate-fadeIn{animation:fadeIn .4s ease}.big-char{font-size:96px;font-weight:900;line-height:1.2;color:var(--text)}.pinyin-text{font-size:24px;color:var(--text-light);letter-spacing:2px}.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:999}