:root{--bg-dark: #1a1a1c;--panel-bg: #252529;--accent-gold: #d4af37;--text-main: #e0e0e0;--text-dim: #a0a0a5;--parchment: #f4e4bc;--success: #4caf50;--fail: #f44336}body{margin:0;font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh;background:radial-gradient(circle at center,#2c2c30,#1a1a1c)}.game-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#0000004d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.05)}.brand{display:flex;align-items:center;gap:12px}.brand h1{font-size:1.2rem;margin:0;letter-spacing:2px;text-transform:uppercase;color:var(--accent-gold)}.cloud-badge{font-size:.7rem;color:var(--text-dim);background:#ffffff0d;padding:2px 8px;border-radius:10px;display:flex;align-items:center;gap:4px}.score-board{display:flex;align-items:center;gap:8px;background:#333;padding:6px 16px;border-radius:20px;font-weight:600}.gold{color:var(--accent-gold)}.start-screen{max-width:1000px;margin:40px auto;text-align:center;padding:0 20px}.riddle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:40px}.riddle-card{background:var(--panel-bg);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:20px;text-align:left;cursor:pointer;transition:all .3s ease}.riddle-card:hover{transform:translateY(-5px);border-color:var(--accent-gold);box-shadow:0 10px 30px #00000080}.card-top{display:flex;justify-content:space-between;margin-bottom:12px}.tag{font-size:.7rem;padding:2px 8px;border-radius:4px;background:#d4af3733;color:var(--accent-gold)}.riddle-card h3{margin:0 0 10px;font-size:1.1rem}.riddle-card p{color:var(--text-dim);font-size:.9rem;line-height:1.5}.playing-layout{display:grid;grid-template-columns:1fr 400px;height:calc(100vh - 70px)}.riddle-panel{padding:30px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}.parchment{background-color:var(--parchment);color:#2c2c2c;padding:40px;border-radius:4px;box-shadow:5px 5px 15px #0000004d;position:relative;min-height:200px}.parchment:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url(https://www.transparenttextures.com/patterns/paper-fibers.png);opacity:.4;pointer-events:none}.parchment-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;border-bottom:1px solid rgba(0,0,0,.1);padding-bottom:10px}.surface-text{font-size:1.25rem;line-height:1.8;font-family:Georgia,serif}.truth-box{margin-top:30px;padding-top:20px;border-top:2px dashed rgba(0,0,0,.2);color:#1b5e20}.action-zone{display:flex;flex-direction:column;gap:15px}.guess-input{display:flex;flex-direction:column;gap:10px}.guess-input textarea{background:var(--panel-bg);border:1px solid #444;border-radius:12px;padding:15px;color:#fff;resize:none;height:80px}.verify-btn{background:var(--accent-gold);color:#000;border:none;padding:12px;border-radius:8px;font-weight:700;cursor:pointer}.chat-panel{background:#0003;border-left:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column}.chat-history{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:15px}.chat-item{display:flex;flex-direction:column;gap:5px}.user-q{align-self:flex-end;background:#3d3d42;padding:8px 16px;border-radius:15px 15px 0;max-width:80%;font-size:.9rem}.ai-a{align-self:flex-start;padding:6px 14px;border-radius:15px 15px 15px 0;font-weight:700;display:flex;align-items:center;gap:5px;font-size:.85rem}.ai-a.是{background:#4caf5033;color:#81c784}.ai-a.不是{background:#f4433633;color:#e57373}.ai-a.不重要{background:#9e9e9e33;color:#bdbdbd}.input-bar{padding:20px;display:flex;gap:10px;background:var(--panel-bg)}.input-bar input{flex:1;background:#1a1a1c;border:1px solid #444;border-radius:8px;padding:10px 15px;color:#fff}.input-bar button{background:var(--accent-gold);border:none;width:45px;border-radius:8px;cursor:pointer}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-screen{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;background:var(--bg-dark)}