.chat-launcher{position:fixed;right:22px;bottom:22px;z-index:200;width:58px;height:58px;border-radius:50%;background:var(--grad);color:#fff;box-shadow:0 10px 28px rgba(46,124,246,.45);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease;}.chat-launcher:hover{transform:scale(1.07);box-shadow:0 14px 36px rgba(46,124,246,.55);}.chat-launcher svg{width:26px;height:26px;stroke:#fff;stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round;}.wecom-launcher{right:22px;bottom:88px;background:#0FA85D;box-shadow:0 10px 28px rgba(15,168,93,.45);text-decoration:none;}.wecom-launcher:hover{background:#0C8F4F;transform:scale(1.07);box-shadow:0 14px 36px rgba(15,168,93,.55);}.wecom-launcher-badge{position:absolute;top:-4px;right:-6px;background:#fff;color:#0FA85D;font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.18);}.chat-launcher-badge{position:absolute;top:-2px;right:-2px;min-width:20px;height:20px;padding:0 5px;background:var(--gold);color:#14213C;font-size:11.5px;font-weight:800;border-radius:999px;display:flex;align-items:center;justify-content:center;border:2px solid #fff;}.chat-panel{position:fixed;right:22px;bottom:92px;z-index:200;width:370px;max-width:calc(100vw - 32px);height:520px;max-height:calc(100vh - 124px);background:#fff;border-radius:20px;box-shadow:0 28px 80px rgba(7,13,26,.3);display:none;flex-direction:column;overflow:hidden;border:1px solid var(--line);}.chat-panel.open{display:flex;opacity:1;transform:none;animation:chatIn .24s ease forwards;}@keyframes chatIn{from{opacity:0;transform:translateY(14px) scale(.98);}to{opacity:1;transform:translateY(0) scale(1);}}.chat-head{background:linear-gradient(120deg,var(--bg-dark-2),#12233F);color:#fff;padding:15px 18px;display:flex;align-items:center;justify-content:space-between;}.chat-head-info{display:flex;flex-direction:column;gap:3px;}.chat-head-name{font-size:14.5px;font-weight:700;display:flex;align-items:center;gap:10px;}.chat-avatar{width:32px;height:32px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}.chat-avatar svg{width:17px;height:17px;stroke:#fff;stroke-width:1.9;fill:none;}.chat-head-status{font-size:11.5px;color:rgba(255,255,255,.58);display:flex;align-items:center;gap:6px;padding-left:42px;}.chat-head-status i{width:7px;height:7px;border-radius:50%;background:#3BD6A6;}.chat-close{background:none;border:0;color:rgba(255,255,255,.7);font-size:22px;line-height:1;padding:4px 8px;border-radius:8px;}.chat-close:hover{background:rgba(255,255,255,.1);color:#fff;}.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#F4F7FC;}.chat-body::-webkit-scrollbar{width:5px;}.chat-body::-webkit-scrollbar-thumb{background:#D3DCEA;border-radius:4px;}.msg{max-width:84%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word;}.msg-bot{background:#fff;color:#1a202c;border:1px solid var(--line);border-top-left-radius:4px;align-self:flex-start;box-shadow:var(--shadow-sm);}.msg-user{background:var(--grad);color:#fff;border-top-right-radius:4px;align-self:flex-end;}.msg b{color:var(--brand);}.msg a{color:var(--brand);font-weight:600;text-decoration:underline;}.chat-quick{padding:10px 14px;display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);background:#fff;}.chip{font-size:12.5px;color:var(--brand);background:rgba(46,124,246,.07);border:1px solid rgba(46,124,246,.22);padding:6px 13px;border-radius:999px;cursor:pointer;transition:background .15s ease;}.chip:hover{background:rgba(46,124,246,.14);}.chat-input-row{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:#fff;}.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-size:13.5px;font-family:inherit;outline:none;background:#FAFBFD;}.chat-input-row input:focus{border-color:var(--brand);background:#fff;}.chat-send{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;border:0;flex:0 0 auto;display:flex;align-items:center;justify-content:center;transition:transform .15s ease;}.chat-send:hover{transform:scale(1.06);}.chat-send svg{width:17px;height:17px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}.typing{display:inline-flex;gap:4px;padding:6px 2px;}.typing i{width:6px;height:6px;border-radius:50%;background:#B9C4D6;animation:tB 1.2s infinite;}.typing i:nth-child(2){animation-delay:.2s;}.typing i:nth-child(3){animation-delay:.4s;}@keyframes tB{0%,80%,100%{opacity:.3;transform:translateY(0);}40%{opacity:1;transform:translateY(-2px);}}.chat-to-human{display:flex;align-items:center;justify-content:center;gap:7px;padding:10px 14px;background:linear-gradient(120deg,#07C160,#06AD56);color:#fff;font-size:13px;font-weight:600;cursor:pointer;border-top:1px solid rgba(255,255,255,.18);transition:filter .15s ease;}.chat-to-human:hover{filter:brightness(1.07);}.chat-to-human svg{width:15px;height:15px;stroke:#fff;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}.chat-kf-btn{display:inline-block;margin:8px 0 2px;padding:10px 16px;background:linear-gradient(135deg,#07C160,#06AD56);color:#fff !important;border-radius:9px;text-decoration:none !important;font-size:13px;font-weight:700;box-shadow:0 4px 12px rgba(7,193,96,.3);}.chat-copy-btn{display:block;margin:7px 0 2px;padding:9px 14px;width:100%;background:rgba(46,124,246,.08);color:var(--brand);border:1px dashed rgba(46,124,246,.4);border-radius:9px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s ease;}.chat-copy-btn:hover{background:rgba(46,124,246,.16);}.chat-kf-note{display:block;margin-top:6px;font-size:11px;color:#8892A6;}.msg-bot .chat-kf-btn,.msg-bot .chat-copy-btn{white-space:normal;}.promo-bar{position:fixed;top:0;left:0;right:0;z-index:210;background:linear-gradient(120deg,#0B3B8C,#0E4FB8);color:#fff;display:flex;align-items:center;justify-content:center;gap:12px;padding:9px 44px;font-size:13.5px;text-align:center;}.promo-text b{color:var(--gold);}.promo-close{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:0;color:rgba(255,255,255,.75);font-size:20px;line-height:1;padding:2px 8px;border-radius:6px;cursor:pointer;}.promo-close:hover{color:#fff;background:rgba(255,255,255,.12);}.has-promo .site-header{top:40px;}.has-promo .promo-bar ~ .site-header{top:40px;}.exit-modal{position:fixed;inset:0;z-index:300;background:rgba(7,13,26,.62);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .22s ease;padding:20px;}.exit-modal.show{opacity:1;}.exit-box{position:relative;width:100%;max-width:400px;background:#fff;border-radius:22px;padding:34px 30px 26px;text-align:center;box-shadow:0 30px 80px rgba(7,13,26,.4);transform:translateY(14px) scale(.97);transition:transform .22s ease;border:1px solid var(--line);}.exit-modal.show .exit-box{transform:none;}.exit-close{position:absolute;top:12px;right:14px;background:none;border:0;font-size:22px;color:#9AA6BC;cursor:pointer;padding:4px 8px;border-radius:8px;}.exit-close:hover{background:#F1F4FA;}.exit-icon{font-size:40px;line-height:1;margin-bottom:10px;}.exit-box h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:8px;}.exit-box p{font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-bottom:16px;}.exit-box p b{color:var(--brand);}.exit-coupon{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(120deg,rgba(46,124,246,.08),rgba(255,196,87,.12));border:1px dashed rgba(46,124,246,.45);border-radius:12px;padding:11px 16px;margin-bottom:16px;font-size:13px;}.exit-coupon span{font-weight:700;color:var(--ink);}.exit-coupon b{color:#D97706;font-size:12px;background:rgba(255,196,87,.25);padding:3px 9px;border-radius:999px;}.exit-cta{width:100%;padding:13px;background:var(--grad);color:#fff;border:0;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 8px 22px rgba(46,124,246,.35);font-family:inherit;}.exit-cta:hover{filter:brightness(1.06);}.exit-stay{margin-top:12px;background:none;border:0;color:#9AA6BC;font-size:12.5px;cursor:pointer;font-family:inherit;}.exit-stay:hover{color:var(--ink-2);}.copy-toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:400;background:#14213C;color:#fff;font-size:13px;padding:10px 20px;border-radius:10px;box-shadow:0 10px 30px rgba(7,13,26,.35);animation:toastIn .2s ease;white-space:nowrap;}@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px);}to{opacity:1;transform:translate(-50%,0);}}.form-ok .ok-kf{display:block;margin:10px auto 0;width:fit-content;padding:11px 22px;background:linear-gradient(135deg,#07C160,#06AD56);color:#fff !important;border-radius:10px;text-decoration:none !important;font-size:14px;font-weight:700;box-shadow:0 5px 16px rgba(7,193,96,.3);}.form-ok .ok-copy{display:block;margin:10px auto 0;padding:10px 18px;background:rgba(46,124,246,.08);color:var(--brand);border:1px dashed rgba(46,124,246,.4);border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;}.form-ok .ok-copy:hover{background:rgba(46,124,246,.16);}.form-ok .ok-tel{display:block;margin:10px auto 0;width:fit-content;padding:11px 22px;background:linear-gradient(135deg,#2E7CF6,#1D5ED8);color:#fff !important;border-radius:10px;text-decoration:none !important;font-size:14px;font-weight:700;box-shadow:0 5px 16px rgba(46,124,246,.3);}.form-ok .ok-tel:hover{transform:translateY(-1px);}.rv{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease;}.rv.in{opacity:1;transform:none;}@media (max-width:1080px){.cards-grid{grid-template-columns:repeat(3,1fr);}.pricing-grid{grid-template-columns:repeat(2,1fr);}.hero-inner{grid-template-columns:1fr;gap:70px;}.hero-right{max-width:560px;margin:0 auto;width:100%;}.mock-tag{top:-26px;}}@media (max-width:900px){.cards-grid{grid-template-columns:repeat(2,1fr);}.contact-wrap{grid-template-columns:1fr;gap:40px;}}@media (max-width:720px){.promo-bar{padding:8px 34px;font-size:12px;line-height:1.5;}.has-promo .site-header{top:38px;}.section{padding:68px 0;}.site-nav{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 5%;gap:2px;box-shadow:var(--shadow-md);display:none;border-bottom:1px solid var(--line);}.site-nav.open{display:flex;}.site-nav a{color:var(--ink-2) !important;padding:12px 0;width:100%;font-size:15.5px;}.site-nav .nav-cta{text-align:center;margin-top:8px;}.nav-toggle{display:flex;}.brand-sub{display:none;}.hero{padding:130px 0 76px;}.hero-inner{gap:56px;}.mock-card.mc1{top:-20px;right:-6px;}.mock-card.mc2{left:-8px;}.stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 12px;padding:36px 0;}.cards-grid,.cases-grid,.why-grid{grid-template-columns:1fr;}.pricing-grid{grid-template-columns:1fr;}.case-filter{gap:8px;}.cf-btn{padding:7px 15px;font-size:13px;}.footer-inner{flex-direction:column;gap:30px;}.footer-links{gap:36px;}.chat-panel{right:16px;bottom:84px;height:500px;}.chat-launcher{right:16px;bottom:16px;}.wecom-launcher{right:16px;bottom:84px;}.to-top{right:16px;bottom:84px;}.hide-mobile{display:none;}.form-row input,.form-row select,.form-row textarea{font-size:16px;padding:13px 14px;}.hero-actions{flex-direction:column;align-items:stretch;}.hero-actions .btn{width:100%;}.price-card .btn{width:100%;}.case-demo{padding:9px 16px;font-size:13px;}.chat-panel{height:calc(100dvh - 172px);max-height:560px;bottom:calc(84px + env(safe-area-inset-bottom));}.chat-launcher{bottom:calc(16px + env(safe-area-inset-bottom));}.wecom-launcher{bottom:calc(84px + env(safe-area-inset-bottom));}.to-top{bottom:calc(84px + env(safe-area-inset-bottom));}.chat-input-row input{font-size:16px;}}@media (max-width:480px){.lead-form{padding:26px 20px;}.chat-panel{right:8px;left:8px;width:auto;max-width:none;}.hero-title{font-size:clamp(26px,7.6vw,34px);}.cf-btn{padding:8px 12px;font-size:12.5px;}}.chat-launcher::before{content:"";position:absolute;inset:-3px;border-radius:50%;border:2px solid rgba(46,124,246,.38);animation:ringPulse 2.4s ease-out infinite;pointer-events:none;}@keyframes ringPulse{0%{transform:scale(.92);opacity:1;}100%{transform:scale(1.3);opacity:0;}}@keyframes pulse{0%,100%{transform:scale(1);}30%{transform:scale(1.12);}55%{transform:scale(.97);}80%{transform:scale(1.05);}}@media (prefers-reduced-motion:reduce){.chat-launcher::before{animation:none;}}.exit-box{background:#0B1526 !important;border-color:rgba(255,255,255,.08) !important;}.exit-box h3{color:#E8EEF8 !important;}.exit-box p{color:rgba(232,238,248,.68) !important;}.exit-box p b{color:#5FA8FF !important;}.exit-coupon{background:rgba(46,124,246,.12) !important;border-color:rgba(95,168,255,.4) !important;}.exit-coupon span{color:#E8EEF8 !important;}.exit-close{color:rgba(232,238,248,.5) !important;}.exit-close:hover{background:rgba(255,255,255,.1) !important;}.exit-stay{color:rgba(232,238,248,.45) !important;}.exit-stay:hover{color:rgba(232,238,248,.8) !important;}