.marketing-nav{position:sticky;top:34px;z-index:100;background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-200)}.nav-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.nav-logo{display:flex;align-items:center;gap:10px;color:var(--gray-900);font-weight:700;font-size:1.125rem;text-decoration:none}.nav-logo:hover{color:var(--primary);text-decoration:none}.logo-icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--primary) 0%,#a78bfa 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.logo-icon.small{width:24px;height:24px;font-size:12px}.nav-links{display:flex;align-items:center;gap:28px}.nav-links a{color:var(--gray-600);font-weight:500;font-size:14px}.nav-links a:hover{color:var(--primary)}.nav-actions{display:flex;align-items:center;gap:12px}.btn-admin{border-color:var(--primary);color:var(--primary)}.btn-admin:hover{background:var(--primary-light)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:600;border:1px solid transparent;transition:all .2s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;text-decoration:none}.btn-ghost{background:transparent;color:var(--gray-700);border-color:var(--gray-300)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}.hero{padding:80px 24px 100px;background:linear-gradient(180deg,#faf5ff,#f5f3ff 30%,#fff 70%);text-align:center}.hero-inner{max-width:800px;margin:0 auto}.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:700;color:var(--gray-900);line-height:1.2;margin-bottom:20px}.hero p{font-size:1.125rem;color:var(--gray-600);margin-bottom:12px;line-height:1.6}.hero-sub{font-size:1rem;color:var(--gray-500);margin-bottom:32px;line-height:1.6}.hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.hero-preview{max-width:900px;margin:40px auto 0;background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);overflow:hidden;padding:24px}.hero-preview-placeholder{min-height:320px;background:var(--gray-50);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--gray-400);font-size:14px;border:1px dashed var(--gray-300)}.chat-mock{display:flex;flex-direction:column;gap:12px;text-align:left;max-width:360px;margin:0 auto}.chat-mock .bubble{padding:12px 16px;border-radius:12px;font-size:13px;line-height:1.5}.chat-mock .bubble.ai{background:#fff;border:1px solid var(--gray-200);align-self:flex-start;border-top-left-radius:4px}.chat-mock .bubble.user{background:var(--primary);color:#fff;align-self:flex-end;border-top-right-radius:4px}.chat-mock .input-row{display:flex;gap:8px;margin-top:8px}.chat-mock input{flex:1;padding:10px 14px;border:1px solid var(--gray-200);border-radius:var(--radius-md);font-size:13px}.chat-mock .send-btn{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:18px}.stats-bar{background:linear-gradient(135deg,var(--primary) 0%,#7c3aed 100%);padding:32px 24px;color:#fff}.stats-bar-inner{max-width:900px;margin:0 auto;display:flex;justify-content:space-around;flex-wrap:wrap;gap:24px}.stats-bar-item{text-align:center}.stats-bar-value{display:block;font-size:2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:4px}.stats-bar-label{font-size:14px;opacity:.9}.section{padding:80px 24px;max-width:1200px;margin:0 auto}.section-title{text-align:center;margin-bottom:48px}.section-title h2{font-size:2rem;font-weight:700;color:var(--gray-900);margin-bottom:12px}.section-title p{color:var(--gray-600);font-size:1.125rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.feature-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px;transition:box-shadow .2s,border-color .2s}.feature-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light)}.feature-card .icon{width:48px;height:48px;border-radius:var(--radius-md);background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}.feature-card h3{font-size:1.125rem;margin-bottom:8px;color:var(--gray-800)}.feature-card p{color:var(--gray-600);font-size:14px;line-height:1.6}.features-grid-sm{margin-top:20px}.features-grid-sm .feature-card-sm{padding:20px}.feature-card-sm .icon-sm{width:40px;height:40px;font-size:20px;margin-bottom:12px}.feature-card-sm h3{font-size:1rem}.feature-card-sm p{font-size:13px}.section-alt{background:var(--gray-50)}.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto}.step-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px;text-align:center;transition:box-shadow .2s}.step-card:hover{box-shadow:var(--shadow-md)}.step-num{width:48px;height:48px;border-radius:50%;background:var(--primary-light);color:var(--primary);font-size:1.25rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.step-card h3{font-size:1.125rem;margin-bottom:8px;color:var(--gray-800)}.step-card p{font-size:14px;color:var(--gray-600);line-height:1.6;margin:0}.testimonials-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.testimonial-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:24px;transition:box-shadow .2s}.testimonial-card:hover{box-shadow:var(--shadow-md)}.testimonial-quote{font-size:15px;color:var(--gray-700);line-height:1.7;margin-bottom:16px}.testimonial-author{font-weight:600;color:var(--gray-800);font-size:14px}.testimonial-role{font-size:13px;color:var(--gray-500);margin-top:2px}.faq-list{max-width:640px;margin:0 auto}.faq-item{padding:20px 0;border-bottom:1px solid var(--gray-200)}.faq-item:last-child{border-bottom:none}.faq-q{font-size:1rem;font-weight:600;color:var(--gray-800);margin-bottom:8px}.faq-a{font-size:14px;color:var(--gray-600);line-height:1.7;margin:0}.contact-section{padding-bottom:100px}.contact-inner{text-align:center;max-width:440px;margin:0 auto}.contact-desc{font-size:15px;color:var(--gray-600);margin-bottom:20px;line-height:1.6}.contact-form-wrap{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:16px}.contact-input{padding:12px 16px;border:1px solid var(--gray-200);border-radius:var(--radius-md);font-size:14px;min-width:240px}.contact-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.contact-note{font-size:13px;color:var(--gray-500)}@media (max-width: 900px){.steps-row,.testimonials-row{grid-template-columns:1fr}.stats-bar-inner{justify-content:center}.stats-bar-item{min-width:120px}}.pricing-teaser{background:var(--gray-50);padding:80px 24px}.pricing-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1000px;margin:0 auto}.pricing-card{background:#fff;border:1.5px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px;text-align:center;position:relative;transition:all .2s}.pricing-card.recommended{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.pricing-card.recommended .badge{position:absolute;top:-10px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}.pricing-card h3{font-size:1.125rem;margin-bottom:8px;color:var(--gray-800)}.pricing-card .price{font-size:2rem;font-weight:800;color:var(--gray-900);margin-bottom:4px}.pricing-card .unit{font-size:14px;color:var(--gray-500);margin-bottom:20px}.pricing-card ul{list-style:none;text-align:left;margin-bottom:24px}.pricing-card li{padding:6px 0;font-size:14px;color:var(--gray-600);display:flex;align-items:center;gap:8px}.pricing-card li:before{content:"✓";color:var(--success);font-weight:700}.pricing-card .btn{width:100%;margin-top:8px}.marketing-footer{background:var(--gray-900);color:var(--gray-400);padding:48px 24px 24px}.footer-inner{max-width:1200px;margin:0 auto;text-align:center}.footer-brand{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:#fff;margin-bottom:20px}.footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:20px}.footer-links a{color:var(--gray-400)}.footer-links a:hover{color:#fff}.footer-copy{font-size:13px;color:var(--gray-500)}.footer-icp{font-size:12px;color:var(--gray-400);margin-top:4px}.footer-icp a{color:var(--gray-400);text-decoration:none}.footer-icp a:hover{color:var(--gray-600);text-decoration:underline}.marketing-main{min-height:calc(100vh - 140px)}.legal-page{padding:60px 24px 80px;background:#fff;min-height:calc(100vh - 140px)}.legal-container{max-width:800px;margin:0 auto;line-height:1.8;color:var(--gray-700)}.legal-container h1{font-size:2.5rem;font-weight:700;color:var(--gray-900);margin-bottom:8px;letter-spacing:-.02em}.legal-updated{font-size:14px;color:var(--gray-500);margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--gray-200)}.legal-section{margin-bottom:36px}.legal-section h2{font-size:1.5rem;font-weight:700;color:var(--gray-800);margin-bottom:12px;margin-top:32px;letter-spacing:-.01em}.legal-section h2:first-child{margin-top:0}.legal-section h3{font-size:1.125rem;font-weight:600;color:var(--gray-700);margin-top:20px;margin-bottom:8px}.legal-section p{font-size:15px;color:var(--gray-700);margin-bottom:12px;line-height:1.7}.legal-section ul{margin:12px 0 20px 24px;padding:0;list-style:none}.legal-section li{font-size:15px;color:var(--gray-700);margin-bottom:10px;padding-left:24px;position:relative;line-height:1.7}.legal-section li:before{content:"•";position:absolute;left:0;color:var(--primary);font-weight:700;font-size:18px}.legal-section a{color:var(--primary);text-decoration:none;font-weight:500;border-bottom:1px solid transparent;transition:border-color .2s}.legal-section a:hover{border-bottom-color:var(--primary)}.legal-section strong{color:var(--gray-800);font-weight:600}.auth-page{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 140px);padding:40px 24px}.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:40px;box-shadow:0 4px 20px #0000000f}.auth-card h1{font-size:1.75rem;font-weight:700;color:var(--gray-900);margin-bottom:4px;text-align:center}.auth-sub{text-align:center;font-size:14px;color:var(--gray-500);margin-bottom:28px}.auth-form{display:flex;flex-direction:column;gap:18px}.auth-label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--gray-700)}.auth-input{padding:12px 14px;border:1px solid var(--gray-200);border-radius:8px;font-size:14px;transition:border-color .2s,box-shadow .2s}.auth-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.auth-input::placeholder{color:var(--gray-400)}.auth-hint{font-size:12px;color:var(--gray-400);margin-top:4px}.auth-error{padding:10px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;font-size:13px;color:var(--danger)}.auth-submit{width:100%;padding:12px;margin-top:8px}.auth-footer{text-align:center;font-size:14px;color:var(--gray-500);margin-top:24px;padding-top:20px;border-top:1px solid var(--gray-200)}.auth-footer a{color:var(--primary);font-weight:600;text-decoration:none}.auth-footer a:hover{text-decoration:underline}.sms-row{display:flex;gap:8px;align-items:stretch}.sms-row .auth-input{flex:1}.btn-send-code{flex-shrink:0;padding:0 14px;font-size:13px;white-space:nowrap;border-radius:var(--radius-md);border:1px solid var(--primary);color:var(--primary);background:transparent;cursor:pointer;transition:all .2s}.btn-send-code:disabled{border-color:var(--gray-300);color:var(--gray-400);cursor:not-allowed}.btn-send-code:not(:disabled):hover{background:var(--primary-light)}.admin-layout{display:flex;flex-direction:column;height:calc(100vh - 34px);margin-top:34px;background:var(--gray-100)}.admin-topbar{height:var(--topbar-h);background:#fff;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;padding:0 20px;gap:16px;flex-shrink:0;box-shadow:0 1px 3px #0000000a}.admin-logo{display:flex;align-items:center;gap:10px;width:var(--sidebar-w);flex-shrink:0;text-decoration:none;color:inherit}.admin-logo:hover{color:var(--primary)}.admin-logo .logo-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary) 0%,#8b5cf6 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;box-shadow:0 2px 8px #6e3fff59}.admin-logo .logo-name{font-size:15px;font-weight:700;color:var(--gray-800)}.admin-logo .logo-ver{font-size:10px;color:var(--gray-500);background:var(--gray-100);padding:2px 6px;border-radius:10px;font-weight:600}.topbar-search-wrap{flex:1;max-width:360px}.topbar-search-input{width:100%;padding:10px 14px 10px 36px;border:1px solid var(--gray-200);border-radius:10px;font-size:13px;color:var(--gray-800);background:var(--gray-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E") no-repeat 12px center;transition:border-color .2s,background .2s}.topbar-search-input::placeholder{color:var(--gray-400)}.topbar-search-input:focus{outline:none;border-color:var(--primary);background-color:#fff;box-shadow:0 0 0 3px var(--primary-light)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.trial-badge{padding:6px 12px;border-radius:8px;background:linear-gradient(135deg,var(--primary-light) 0%,#f5f3ff 100%);border:1px solid #c4b5fd;color:var(--primary-dark);font-size:12px;font-weight:600}.topbar-icon{width:36px;height:36px;border-radius:10px;border:1px solid var(--gray-200);display:flex;align-items:center;justify-content:center;color:var(--gray-600);font-size:16px;cursor:pointer;position:relative;background:#fff;transition:background .2s,border-color .2s,color .2s}.topbar-icon:hover{background:var(--gray-50);border-color:var(--gray-300);color:var(--primary)}.topbar-icon:not(button){text-decoration:none;box-sizing:border-box}.topbar-icon .dot{position:absolute;top:4px;right:4px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid #fff}.admin-avatar-wrap{position:relative}.admin-avatar{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary-light) 0%,#e9d5ff 100%);border:1.5px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--primary);cursor:pointer;transition:transform .2s,box-shadow .2s}.admin-avatar:hover{box-shadow:0 2px 8px #6e3fff40}.admin-user-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:160px;background:#fff;border:1px solid var(--gray-200);border-radius:10px;box-shadow:0 10px 40px #0000001f;padding:6px;z-index:100}.admin-user-menu button,.admin-user-menu a{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;border:none;background:none;border-radius:8px;font-size:13px;color:var(--gray-700);cursor:pointer;text-decoration:none;font-family:inherit;transition:background .15s}.admin-user-menu button:hover,.admin-user-menu a:hover{background:var(--gray-50)}.admin-user-menu .divider{height:1px;background:var(--gray-200);margin:4px 0}.admin-main{display:flex;flex:1;overflow:hidden}.admin-sidebar{width:var(--sidebar-w);background:#fff;border-right:1px solid var(--gray-200);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;padding:12px 0;box-shadow:1px 0 0 0 var(--gray-100)}.nav-section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--gray-400);padding:14px 16px 8px}.admin-nav-link{display:flex;align-items:center;gap:10px;padding:10px 16px;margin:0 8px;color:var(--gray-600);font-size:13px;text-decoration:none;transition:background .15s,color .15s,border-color .15s;position:relative;border-radius:8px;border:1px solid transparent;outline:none}.admin-nav-link:hover{background:var(--gray-100);color:var(--gray-800)}.admin-nav-link:active{background:var(--gray-200)}.admin-nav-link.active{background:#6e3fff1a;color:var(--primary);font-weight:600;border-color:#6e3fff33}.admin-nav-link.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary);border-radius:0 4px 4px 0;margin-left:-8px}.admin-nav-link.active:hover{background:#6e3fff24;color:var(--primary-dark)}.nav-icon{font-size:17px;width:22px;text-align:center;flex-shrink:0;opacity:.9}.admin-nav-link.active .nav-icon{opacity:1}.nav-count{margin-left:auto;font-size:11px;font-weight:600;background:var(--primary);color:#fff;padding:2px 8px;border-radius:10px;min-width:20px;text-align:center}.sidebar-footer{margin-top:auto;padding:16px;border-top:1px solid var(--gray-200)}.plan-card{background:linear-gradient(145deg,var(--primary-light) 0%,#f5f3ff 100%);border:1px solid #c4b5fd;border-radius:12px;padding:14px}.plan-name{font-size:12px;font-weight:700;color:var(--primary)}.plan-quota{font-size:11px;color:var(--gray-600);margin:6px 0 10px}.plan-bar{height:6px;background:#6e3fff33;border-radius:3px;overflow:hidden}.plan-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,#8b5cf6 100%);border-radius:3px;width:43%;transition:width .3s}.plan-upgrade{display:block;width:100%;text-align:center;margin-top:12px;padding:10px;border-radius:8px;font-size:12px;font-weight:600;background:var(--primary);color:#fff;cursor:pointer;border:none;transition:background .2s}.plan-upgrade:hover{background:var(--primary-dark)}.admin-content{flex:1;overflow-y:auto;background:var(--gray-100)}.dialog-session-item.unread{border-left:3px solid #f59e0b}.dialog-session-unread-dot{flex-shrink:0;font-size:10px;font-weight:700;color:#92400e;background:#fef3c7;border:1px solid #fcd34d;border-radius:999px;padding:1px 6px;line-height:1.4}.page-header{background:#fff;padding:20px 28px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;box-shadow:0 1px 2px #00000008}.page-title{font-size:20px;font-weight:700;color:var(--gray-800);letter-spacing:-.02em}.page-sub{font-size:13px;color:var(--gray-500);margin-top:4px}.page-body{padding:24px 28px}.help-doc-wrap{display:flex;flex-direction:column;height:100%;min-height:0}.help-doc-body{flex:1;display:flex;overflow:hidden;background:var(--gray-100)}.help-doc-nav{width:220px;flex-shrink:0;background:#fff;border-right:1px solid var(--gray-200);padding:16px 0;overflow-y:auto}.help-doc-nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 20px;border:none;background:none;font-size:13px;color:var(--gray-600);text-align:left;cursor:pointer;font-family:inherit;transition:background .15s,color .15s;border-left:3px solid transparent}.help-doc-nav-item:hover{background:var(--gray-50);color:var(--gray-800)}.help-doc-nav-item.active{background:#6e3fff14;color:var(--primary);font-weight:600;border-left-color:var(--primary)}.help-doc-nav-icon{font-size:16px;width:22px;text-align:center;flex-shrink:0}.help-doc-content{flex:1;overflow-y:auto;background:#fff;margin:24px;border-radius:12px;border:1px solid var(--gray-200);padding:32px 40px;box-shadow:0 1px 3px #0000000a}.help-doc-content-title{font-size:22px;font-weight:700;color:var(--gray-800);margin:0 0 24px;padding-bottom:16px;border-bottom:1px solid var(--gray-200)}.help-doc-content-inner{max-width:720px}.help-doc-h3{font-size:15px;font-weight:600;color:var(--gray-800);margin:24px 0 10px}.help-doc-h3:first-of-type{margin-top:0}.help-doc-p{font-size:14px;line-height:1.7;color:var(--gray-600);margin:0 0 12px}.admin-btn{padding:10px 18px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .15s;display:inline-flex;align-items:center;gap:6px}.admin-btn:disabled{opacity:.6;cursor:not-allowed}.admin-btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#7c3aed 100%);color:#fff;border-color:transparent;box-shadow:0 2px 8px #6e3fff59}.admin-btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-dark) 0%,#6d28d9 100%);box-shadow:0 4px 12px 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