.boot-screen[data-v-a3b2c415]{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--bg, #f7f8fa)}.boot-avatar[data-v-a3b2c415]{width:84px;height:84px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px;background:linear-gradient(140deg,#6f95ff,#4f7cff);box-shadow:0 10px 26px #4f7cff4d;animation:boot-pulse-a3b2c415 1.4s ease-in-out infinite}.boot-text[data-v-a3b2c415]{color:var(--text-muted, #8a90a2);font-size:14px}@keyframes boot-pulse-a3b2c415{0%,to{transform:scale(1);opacity:1}50%{transform:scale(.92);opacity:.75}}:root{--primary: #4f7cff;--primary-dark: #3d66e0;--primary-soft: #e8eeff;--bot-bubble: #f2f5ff;--user-bubble: #4f7cff;--teaching: #fff8e6;--teaching-border: #ffe58f;--good: #34c759;--warn: #ff9500;--bad: #ff3b30;--bg: #f7f8fa;--text: #1a1a2e;--text-muted: #8c8c9a;--card: #ffffff;--border: #eaecf0;--radius: 16px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#app{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;background:#eceff5;color:var(--text);font-size:15px;line-height:1.5;overscroll-behavior:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;font-size:15px}#app{max-width:520px;margin:0 auto;background:var(--bg);min-height:100%;display:flex;flex-direction:column;position:relative;box-shadow:0 0 40px #0000000f}.page{flex:1;display:flex;flex-direction:column;min-height:0}.app-header{display:flex;align-items:center;gap:10px;padding:calc(10px + var(--safe-top)) 14px 10px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.app-header .title{font-size:17px;font-weight:600;flex:1}.icon-btn{width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:18px;background:var(--bg);transition:background .15s}.icon-btn:active{background:var(--primary-soft)}.primary-btn{background:var(--primary);color:#fff;border-radius:12px;padding:12px 16px;font-size:16px;font-weight:600;transition:opacity .15s}.primary-btn:active{opacity:.85}.primary-btn:disabled{opacity:.5}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:0 2px 10px #14285a0d}.muted{color:var(--text-muted)}.scroll-area{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}