*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #f97316;--primary-light: #fed7aa;--bg: #fffbeb;--text: #1c1917;--text-light: #78716c;--card-bg: #ffffff;--shadow: 0 2px 8px rgba(0, 0, 0, .08)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;min-height:100dvh;overflow:hidden}#app{height:100vh;height:100dvh;display:flex;flex-direction:column}.app-container{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto;background:var(--bg)}.app-header{background:var(--card-bg);box-shadow:var(--shadow);padding:10px 16px 0;position:sticky;top:0;z-index:10}.header-content{display:flex;align-items:center;gap:10px;margin-bottom:8px}.header-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid 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#f9731626}.login-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid var(--primary-light);margin-bottom:16px}.login-card h2{font-size:18px;margin-bottom:6px;color:var(--text)}.login-hint{font-size:13px;color:var(--text-light);margin-bottom:20px}.login-input{width:100%;padding:12px 16px;border:2px solid #e5e5e5;border-radius:12px;font-size:16px;text-align:center;outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--primary)}.login-btn{width:100%;margin-top:14px;padding:12px;border:none;border-radius:12px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s}.login-btn:active{transform:scale(.97)}.login-btn:disabled{opacity:.6}.login-error{margin-top:10px;font-size:13px;color:#ef4444}.lightbox{cursor:zoom-out}.lightbox-img{max-width:90%;max-height:85vh;object-fit:contain;border-radius:8px;box-shadow:0 8px 32px 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