@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary-color: #1a73e8;--primary-hover: #1557b0;--secondary-color: #f1f3f4;--text-dark: #202124;--text-light: #5f6368;--bg-color: #ffffff;--bg-soft: #f8f9fa;--success-color: #34a853;--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(0, 0, 0, .05);--glass-shadow: 0 4px 20px rgba(0, 0, 0, .05);--border-radius: 16px}html{scroll-behavior:smooth}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-color);color:var(--text-dark);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}.text-center{text-align:center}.text-white{color:#fff!important}.text-primary{color:var(--primary-color)!important}.bg-primary{background-color:var(--primary-color)!important}.bg-soft{background-color:var(--bg-soft)!important}.bg-white{background-color:#fff!important}.border-radius-lg{border-radius:24px}.icon-red{font-size:2.5rem;margin-bottom:1rem}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--border-radius);box-shadow:var(--glass-shadow)}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#e8f0fe,#fff)}.auth-card{width:100%;max-width:420px;padding:2.5rem;text-align:center}.auth-card h1{font-size:1.8rem;margin-bottom:.5rem;color:var(--text-dark)}.auth-card p{color:var(--text-light);margin-bottom:2rem}.form-group{margin-bottom:1.5rem;text-align:left}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;font-size:.9rem;color:var(--text-dark)}.form-control{width:100%;padding:.75rem 1rem;border:1px solid #dadce0;border-radius:8px;font-size:1rem;font-family:Inter,sans-serif;transition:all .3s ease;background-color:#fafafa}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #1a73e81a;background-color:#fff}.btn{display:inline-block;padding:.75rem 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.faq-answer{max-height:200px}.faq-item.active .faq-icon{transform:rotate(45deg)}.cta-section{background-color:var(--primary-color);padding:6rem 2rem;position:relative;overflow:hidden}.footer{background-color:#1a1d20;padding:4rem 2rem 2rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem}.footer-links{list-style:none}.footer-links li{margin-bottom:.75rem;color:#fff9;display:flex;align-items:center}.footer-links a{color:#fff9;text-decoration:none;transition:color .3s;display:flex;align-items:center}.footer-links a:hover{color:#fff}.floating-wa{position:fixed;bottom:30px;right:30px;background-color:#25d366;color:#fff;padding:1rem 1.5rem;border-radius:50px;text-decoration:none;font-weight:600;box-shadow:0 4px 15px #25d36666;z-index:1000;transition:transform .3s;display:flex;align-items:center;gap:.5rem}.floating-wa:hover{transform:translateY(-5px)}@media (max-width: 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#f59e0b}.fc-hanzi{font-size:2.5rem;font-weight:700;margin-bottom:.25rem}.fc-pinyin{font-size:.85rem;color:#666}.fc-en{font-size:.9rem;font-weight:500;margin-bottom:.5rem}.admin-body{background-color:#f1f5f9;font-family:Inter,sans-serif;margin:0;padding:0;color:#1e293b}.admin-layout{display:flex;height:100vh;overflow:hidden}.admin-sidebar{width:260px;background:#0f172a;color:#94a3b8;display:flex;flex-direction:column;padding:1.5rem;overflow-y:auto}.admin-sidebar .brand{display:flex;align-items:center;gap:1rem;color:#fff;font-size:1.25rem;font-weight:700;margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid #1e293b}.admin-sidebar .brand img{height:32px}.nav-section{font-size:.75rem;font-weight:600;letter-spacing:1px;margin-bottom:1rem;color:#64748b}.admin-nav{display:flex;flex-direction:column;gap:.5rem}.admin-nav a{display:flex;align-items:center;gap:.75rem;color:#cbd5e1;text-decoration:none;padding:.75rem 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.badge{position:absolute;top:-5px;right:-5px;background:#ef4444;color:#fff;font-size:.6rem;font-weight:700;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}.admin-profile{display:flex;align-items:center;gap:.75rem;cursor:pointer;padding-left:1.5rem;border-left:1px solid #e2e8f0}.admin-profile .avatar{width:36px;height:36px;background:#3b82f6;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}.admin-profile .info{display:flex;flex-direction:column}.admin-profile .name{font-weight:600;font-size:.9rem;color:#0f172a}.admin-profile .role{font-size:.75rem;color:#64748b}.admin-profile .chevron{font-size:.7rem;color:#64748b}.admin-content{flex:1;padding:2rem;overflow-y:auto}.page-title{margin-bottom:2rem}.page-title h2{margin:0 0 .25rem;font-size:1.8rem;color:#0f172a}.page-title p{margin:0;color:#64748b;font-size:.95rem}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:2rem}.kpi-card{background:#fff;padding:1.5rem;border-radius:16px;box-shadow:0 4px 6px -1px #0000000d;display:flex;align-items:flex-start;gap:1rem}.kpi-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.kpi-icon.blue{background:#eff6ff;color:#3b82f6}.kpi-icon.purple{background:#f5f3ff;color:#8b5cf6}.kpi-icon.green{background:#f0fdf4;color:#10b981}.kpi-icon.orange{background:#fff7ed;color:#f97316}.kpi-title{margin:0;font-size:.85rem;font-weight:500;color:#64748b}.kpi-value{margin:.25rem 0;font-size:1.8rem;font-weight:700;color:#0f172a}.kpi-trend{font-size:.75rem;color:#64748b;margin-top:.5rem}.kpi-trend.positive span{color:#10b981;font-weight:600;background:#d1fae5;padding:2px 6px;border-radius:4px}.kpi-trend.negative span{color:#ef4444;font-weight:600;background:#fee2e2;padding:2px 6px;border-radius:4px}.admin-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.panel{background:#fff;border-radius:16px;box-shadow:0 4px 6px -1px #0000000d;padding:1.5rem;display:flex;flex-direction:column}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.panel-header h3{margin:0;font-size:1.1rem;color:#0f172a}.btn-outline{background:transparent;border:1px solid #e2e8f0;padding:.4rem .8rem;border-radius:6px;font-size:.8rem;font-weight:500;color:#475569;cursor:pointer}.btn-text{background:transparent;border:none;color:#3b82f6;font-size:.85rem;font-weight:600;cursor:pointer}.chart-container{flex:1;display:flex;align-items:flex-end;padding-top:2rem}.bar-chart{display:flex;justify-content:space-between;width:100%;height:200px;border-bottom:1px solid #e2e8f0;padding-bottom:.5rem}.bar-wrapper{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:.5rem;flex:1}.bar-wrapper .bar{width:30px;background:#bfdbfe;border-radius:4px 4px 0 0;transition:height .3s}.bar-wrapper .bar.active{background:#3b82f6}.bar-wrapper span{font-size:.75rem;color:#64748b}.bar-wrapper span.active{color:#0f172a;font-weight:600}.modern-table-container{width:100%;overflow-x:auto}.modern-table{width:100%;border-collapse:separate;border-spacing:0;text-align:left}.modern-table th{padding:1rem .5rem;font-size:.8rem;font-weight:600;color:#64748b;border-bottom:1px solid #e2e8f0;text-transform:uppercase;letter-spacing:.5px}.modern-table td{padding:1rem .5rem;border-bottom:1px solid #f1f5f9;vertical-align:middle}.modern-table tr:last-child td{border-bottom:none}.user-cell{display:flex;align-items:center;gap:1rem}.user-cell img{width:36px;height:36px;border-radius:50%;object-fit:cover}.user-cell div{display:flex;flex-direction:column}.user-cell strong{font-size:.9rem;color:#0f172a}.user-cell span{font-size:.75rem;color:#64748b}.badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;display:inline-block;text-align:center}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.action-btn{background:transparent;border:none;font-size:1.2rem;color:#94a3b8;cursor:pointer;padding:.2rem .5rem;border-radius:4px}.action-btn:hover{background:#f1f5f9;color:#0f172a}