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12px;border-radius:20px;font-size:12px;font-weight:500}.expert-tags .expert-vip-title{font-size:16px;font-weight:700;padding:6px 14px}.expert-tags .expert-vip-desc{font-size:13px;font-weight:400;line-height:1.5;max-width:100%;text-align:center;border-radius:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.expert-features{width:100%;max-width:600px}.expert-features h3{font-size:16px;color:var(--text-primary);margin-bottom:10px;text-align:left}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.feature-card{background:#fff;border-radius:12px;padding:14px;text-align:left;box-shadow:0 2px 8px #0000000a;transition:transform .2s ease,box-shadow .2s ease}.feature-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #00000014}.feature-card-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.feature-icon-wrap{font-size:28px;margin-bottom:0;flex-shrink:0}.feature-card h4{font-size:14px;color:var(--text-primary);margin:0}.feature-card p{font-size:12px;color:var(--text-secondary);margin:0;line-height:1.5}.expert-compare{width:100%;max-width:600px}.expert-compare h3{font-size:16px;color:var(--text-primary);margin-bottom:10px;text-align:left}.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #0000000a}.compare-table th,.compare-table td{padding:8px 14px;text-align:center;font-size:13px;border-bottom:1px solid #f0f0f0}.compare-table th{background:#fafafa;font-weight:600;color:var(--text-primary)}.compare-table td:first-child{text-align:left;font-weight:500}.compare-table .highlight{color:#d4a017;font-weight:700}.compare-table tr:last-child td{border-bottom:none}.pricing-card{width:100%;max-width:480px;background:linear-gradient(135deg,#1a1a2e,#2d2d44);border-radius:16px;padding:32px;text-align:center;color:#fff;box-shadow:0 8px 32px #1a1a2e4d;position:relative;overflow:hidden}.pricing-card:before{content:"";position:absolute;top:-50%;right:-30%;width:300px;height:300px;background:radial-gradient(circle,rgba(212,175,55,.15),transparent 70%);border-radius:50%;pointer-events:none;z-index:1}.price-main{margin-bottom:24px}.price-label{font-size:14px;opacity:.8;display:block;margin-bottom:8px}.price-value{display:flex;align-items:baseline;justify-content:center;gap:2px}.price-value .currency{font-size:28px;font-weight:700;color:gold}.price-value .amount{font-size:56px;font-weight:800;color:gold;line-height:1}.price-value .period{font-size:18px;opacity:.7;margin-left:4px}.price-benefits{list-style:none;padding:0;margin:0 0 24px;text-align:left}.price-benefits li{padding:8px 0;font-size:14px;opacity:.9;border-bottom:1px solid rgba(255,255,255,.08)}.price-benefits li:last-child{border-bottom:none}.buy-btn{width:100%!important;padding:14px!important;font-size:17px!important;font-weight:600!important;background:linear-gradient(135deg,#d4af37,#f0d060)!important;border:none!important;color:#1a1a2e!important;letter-spacing:1px;transition:all .3s ease!important}.buy-btn:hover{transform:translateY(-2px);box-shadow:0 6px 24px #d4af3766!important}.price-note{font-size:12px;opacity:.5;margin-top:12px;margin-bottom:0}.pay-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.pay-panel{background:#fff;border-radius:16px;width:90%;max-width:400px;overflow:hidden;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.pay-header{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #f0f0f0}.pay-header h3{margin:0;font-size:18px;color:var(--text-primary)}.pay-body{padding:28px 24px;text-align:center}.pay-price-display{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:8px}.pay-label{font-size:14px;color:var(--text-secondary)}.pay-amount{display:flex;align-items:baseline}.pay-currency{font-size:22px;color:var(--text-primary);font-weight:700}.pay-number{font-size:42px;font-weight:800;color:var(--error-color);line-height:1}.pay-period{font-size:16px;color:var(--text-secondary)}.pay-divider{height:1px;background:#f0f0f0;margin:20px 0}.pay-info{text-align:left;padding:0 8px}.pay-info p{font-size:13px;color:var(--text-secondary);margin:0 0 8px}.pay-footer{padding:16px 24px;display:flex;gap:12px;border-top:1px solid #f0f0f0;background:#fafafa}.pay-footer .btn{flex:1;padding:12px!important;border-radius:8px!important;font-size:15px!important;cursor:pointer;transition:all .2s ease}.confirm-pay-btn{background:linear-gradient(135deg,#d4af37,#f0d060)!important;color:#1a1a2e!important;border:none!important;font-weight:600!important}.confirm-pay-btn:hover{box-shadow:0 4px 12px #d4af374d!important;transform:translateY(-1px)}.expert-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}.expert-welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;animation:fadeIn .5s ease}.expert-welcome-avatar{margin-bottom:20px}.expert-welcome-avatar img{width:80px;height:80px;border-radius:4px;object-fit:cover;border:3px solid #d4af37;box-shadow:0 4px 16px #d4af374d}.expert-welcome h3{font-size:22px;color:var(--text-primary);margin:0 0 8px}.expert-welcome p{font-size:14px;color:var(--text-secondary);margin:0 0 24px;max-width:720px;text-align:center}.expert-welcome-topics{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.expert-welcome-topics span{padding:8px 16px;background:linear-gradient(135deg,#d4af3714,#d4af3708);border:1px solid rgba(212,175,55,.2);border-radius:20px;font-size:13px;color:#b8860b;cursor:pointer;transition:all .2s ease}.expert-welcome-topics span:hover{background:#d4af3726;border-color:#d4af37;transform:translateY(-1px)}.expert-message{display:flex;gap:12px;max-width:85%;animation:fadeIn .3s ease}.expert-message.user-msg{flex-direction:row-reverse;align-self:flex-end}.expert-message.assistant-msg{align-self:flex-start}.expert-msg-avatar{width:38px;height:38px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;overflow:hidden;background:none}.expert-msg-avatar img{width:100%;height:100%;object-fit:cover;border-radius:4px}.user-msg .expert-msg-avatar{background:none}.expert-msg-content{min-width:0}.expert-msg-text{padding:12px 16px;border-radius:16px;font-size:15px;line-height:1.7;word-wrap:break-word;white-space:pre-wrap;background:var(--bg-secondary);box-shadow:0 1px 4px #0000000a}.user-msg .expert-msg-text{background:linear-gradient(135deg,#1a1a2e,#2d2d44);color:#fff}.expert-msg-time{font-size:11px;opacity:.4;margin-top:4px;padding:0 4px}.user-msg .expert-msg-text+.expert-msg-time{text-align:right}.expert-input-area{padding:16px 20px;background:var(--bg-secondary);border-top:1px solid #E5E7EB}.expert-input-wrapper{display:flex;gap:10px;align-items:flex-end}.expert-input-wrapper textarea{flex:1;padding:12px 16px;border:2px solid rgba(212,175,55,.3);border-radius:12px;font-size:15px;font-family:inherit;resize:none;min-height:46px;max-height:140px;background:#fff;transition:all .2s ease}.expert-input-wrapper textarea:focus{outline:none;border-color:#d4af37;box-shadow:0 0 0 3px #d4af371a}.expert-input-wrapper textarea::placeholder{color:#bbb}.expert-send-btn{height:46px;min-width:80px;border-radius:12px!important;background:linear-gradient(135deg,#1a1a2e,#2d2d44)!important;border:none!important;color:#fff!important;font-weight:600!important;transition:all .2s ease!important}.expert-send-btn:hover:not(:disabled){box-shadow:0 4px 12px #1a1a2e4d!important;transform:translateY(-1px)}.expert-send-btn:disabled{opacity:.5;cursor:not-allowed}.expert-input-hint{font-size:11px;color:var(--text-light);text-align:center;margin-top:8px;margin-bottom:0}@media (max-width: 768px){.feature-grid{grid-template-columns:1fr}.expert-intro-content{padding:16px}.expert-card,.pricing-card{padding:24px 20px}.price-value .amount{font-size:42px}.compare-table th,.compare-table td{padding:10px;font-size:12px}}.global-footer{flex-shrink:0;border-top:1px solid #E5E7EB;background:#f7f8fc;padding:10px 16px;text-align:center}.global-footer-links{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:2px 6px}.global-footer-sep{color:#b5bcca;font-size:12px}.global-footer-link{background:none;border:none;padding:2px 4px;font-size:12px;color:#6b7280;cursor:pointer;transition:color .2s}.global-footer-link:hover{color:#5b8cde;text-decoration:underline}.global-footer-copy{margin-top:6px;font-size:11px;color:#9aa3b2}.info-page{flex:1;min-height:0;overflow-y:auto;background:#f5f6fa}.info-page-inner{max-width:760px;margin:0 auto;padding:32px 24px 64px}.info-page-back{background:none;border:none;color:#5b8cde;font-size:14px;cursor:pointer;padding:0;margin-bottom:16px}.info-page-back:hover{text-decoration:underline}.info-page-title{font-size:26px;font-weight:700;color:#1f2937;margin:0 0 4px}.info-page-update{font-size:12px;color:#9aa3b2;margin-bottom:20px}.info-page-section{margin-bottom:24px}.info-page-section h2{font-size:17px;font-weight:600;color:#1f2937;margin:0 0 8px}.info-page-section p{font-size:14px;line-height:1.8;color:#4b5563;margin:0 0 10px}.info-page-foot{margin-top:32px;padding-top:16px;border-top:1px solid #E5E7EB;font-size:12px;color:#9aa3b2;text-align:center}