:root{--primary: #3b82f6;--bg: #f8fafc;--card: #ffffff;--text-main: #1e293b;--text-sub: #64748b;--accent: #eff6ff;--shadow: 0 4px 12px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,sans-serif}.app-container{max-width:500px;margin:0 auto;background:var(--bg);min-height:100vh;padding-bottom:80px;position:relative}.glass-header{position:sticky;top:0;z-index:100;background:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:16px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,.05)}.header-left h1{font-size:1.2rem;color:var(--text-main)}.sync-badge{display:flex;align-items:center;gap:4px;font-size:.7rem;color:#10b981;margin-top:2px}.syncing{color:var(--primary);animation:pulse 1.5s infinite}@keyframes pulse{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}.user-profile{display:flex;align-items:center;gap:8px;background:var(--accent);padding:4px 12px;border-radius:20px;font-size:.85rem;color:var(--primary)}.content-area{padding:20px}.section-title{font-weight:700;margin-bottom:16px;color:var(--text-main);font-size:1.1rem}.post-card{background:var(--card);border-radius:16px;padding:16px;margin-bottom:16px;box-shadow:var(--shadow);cursor:pointer;transition:transform .2s}.post-card:active{transform:scale(.98)}.post-tags{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}.tag-pill{background:var(--accent);color:var(--primary);font-size:.7rem;padding:2px 8px;border-radius:4px;display:flex;align-items:center;gap:3px}.post-card h3{font-size:1.05rem;margin-bottom:8px;color:var(--text-main);line-height:1.4}.post-excerpt{font-size:.9rem;color:var(--text-sub);line-height:1.5;margin-bottom:12px}.post-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #f1f5f9;pt:12px}.post-author{font-size:.8rem;color:var(--text-sub)}.post-stats{display:flex;gap:12px;font-size:.8rem;color:var(--text-sub)}.post-stats span{display:flex;align-items:center;gap:4px}.recommend-page{text-align:center;padding-top:40px}.ai-hero{margin-bottom:30px}.ai-icon{color:#8b5cf6;margin-bottom:16px}.ai-hero h2{margin-bottom:8px}.ai-hero p{color:var(--text-sub);font-size:.9rem;margin-bottom:24px}.ai-btn{background:linear-gradient(135deg,#6366f1,#a855f7);color:#fff;border:none;padding:12px 24px;border-radius:25px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;margin:0 auto}.spin{animation:rotate 1s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ai-result-card{background:#fff;border-radius:16px;padding:20px;text-align:left;border:1px solid #e2e8f0;position:relative}.ai-badge{position:absolute;top:-10px;right:20px;background:#8b5cf6;color:#fff;font-size:.7rem;padding:2px 8px;border-radius:10px}.ai-text{white-space:pre-wrap;font-size:.95rem;line-height:1.6;color:#475569}.publish-form h2{margin-bottom:20px}.form-input,.form-textarea{width:100%;padding:12px;border-radius:12px;border:1px solid #e2e8f0;margin-bottom:16px;font-size:1rem;outline:none}.form-input:focus,.form-textarea:focus{border-color:var(--primary)}.submit-btn{width:100%;background:var(--primary);color:#fff;border:none;padding:14px;border-radius:12px;font-weight:700;font-size:1rem}.back-btn{background:none;border:none;color:var(--text-sub);display:flex;align-items:center;gap:4px;margin-bottom:20px;cursor:pointer}.detail-content{background:#fff;padding:20px;border-radius:20px;box-shadow:var(--shadow)}.detail-header h2{margin:12px 0;font-size:1.4rem}.author-info{font-size:.8rem;color:var(--text-sub);margin-bottom:20px}.main-text{line-height:1.8;color:#334155;margin-bottom:30px}.action-bar{display:flex;gap:16px;margin-bottom:30px}.action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:10px;border:1px solid #e2e8f0;background:none;cursor:pointer}.action-btn.active{color:#ff4d4f;border-color:#ff4d4f;background:#fff1f0}.action-btn.active-bookmark{color:#faad14;border-color:#faad14;background:#fffbe6}.comments-section h3{font-size:1rem;margin-bottom:16px}.comment-item{margin-bottom:12px;font-size:.9rem;padding-bottom:8px;border-bottom:1px solid #f1f5f9}.comment-author{font-weight:700;margin-right:8px;color:var(--text-main)}.comment-input-area{display:flex;gap:8px;margin-top:20px}.comment-input-area input{flex:1;padding:10px;border-radius:8px;border:1px solid #e2e8f0;outline:none}.comment-input-area button{background:var(--primary);color:#fff;border:none;width:40px;border-radius:8px;display:flex;align-items:center;justify-content:center}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:500px;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:space-around;padding:12px 0;border-top:1px solid #e2e8f0}.bottom-nav button{background:none;border:none;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-sub);cursor:pointer}.bottom-nav button.active{color:var(--primary)}.bottom-nav span{font-size:.7rem}