:root{--ink:#111827;--muted:#667085;--line:#e7eaf1;--surface:#f7f8fc;--violet:#7047eb;--blue:#1787ee;--cyan:#11b8ca;--shadow:0 24px 70px rgba(31,38,80,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;background:#fff;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.section-shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;height:76px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(231,234,241,.78);background:rgba(255,255,255,.88);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:11px}.brand-mark{position:relative;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#7c3aed,#0bbbd0);box-shadow:0 8px 20px rgba(112,71,235,.25)}.brand-mark:before,.brand-mark:after,.brand-mark i{content:"";position:absolute;left:50%;transform:translateX(-50%);clip-path:polygon(50% 0,100% 27%,100% 73%,50% 100%,0 73%,0 27%)}.brand-mark:before{top:9px;width:20px;height:18px;background:#67e8f9}.brand-mark:after{top:16px;width:20px;height:18px;background:#6d28d9}.brand-mark i{top:18px;width:5px;height:5px;background:#fff;z-index:2}.brand strong{display:block;font-size:25px;letter-spacing:.2px}.brand small{display:block;margin-top:3px;color:#8a93a7;font-size:10px}.desktop-nav{display:flex;gap:36px;color:#4d586d;font-size:14px}.desktop-nav a{transition:.2s}.desktop-nav a:hover{color:var(--violet)}.header-actions{display:flex;align-items:center;gap:22px}.text-link{font-size:14px;color:#4d586d;transition:color .25s ease}.text-link:hover{color:var(--violet)}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:12px;padding:13px 22px;color:#fff;font-size:14px;font-weight:700;background:linear-gradient(135deg,#7447ec,#168bdc);box-shadow:0 12px 26px rgba(97,76,218,.2);transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(97,76,218,.28)}.button.small{padding:10px 17px;border-radius:10px}.button.large{padding:15px 25px}.button.ghost{color:#334155;background:#fff;border-color:#dce1eb;box-shadow:none}.button.white{color:#5e3fca;background:#fff}.button.wide{width:100%}.menu-open,.mobile-menu{display:none}.hero{position:relative;display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;gap:46px;min-height:690px;padding-block:88px 70px}.hero:before{content:"";position:absolute;z-index:-1;width:520px;height:520px;left:-310px;top:40px;border-radius:50%;background:radial-gradient(circle,rgba(119,76,236,.12),transparent 67%)}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:#6545cd;font-size:13px;font-weight:700;letter-spacing:.04em}.eyebrow{padding:7px 12px;border:1px solid #ddd2ff;border-radius:99px;background:#f8f5ff}.eyebrow span{width:7px;height:7px;border-radius:50%;background:#7c3aed;box-shadow:0 0 0 5px #eee8ff}.hero h1{margin:24px 0 22px;font-size:clamp(43px,5vw,68px);line-height:1.12;letter-spacing:-.055em}.hero h1 em{font-style:normal;color:transparent;background:linear-gradient(100deg,#7144e9,#148fdf);background-clip:text}.hero-copy>p{max-width:570px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}.hero-actions{display:flex;gap:13px;margin-top:34px}.trust-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;color:#7b8496;font-size:12px}.product-stage{position:relative;min-height:500px;display:flex;align-items:center}.orb{position:absolute;border-radius:50%;filter:blur(1px)}.orb-one{width:420px;height:420px;right:-45px;background:linear-gradient(135deg,#eee7ff,#e4f8fb)}.orb-two{width:155px;height:155px;left:10px;bottom:12px;background:#f4e9ff}.app-window{position:relative;z-index:2;width:100%;border:1px solid rgba(255,255,255,.9);border-radius:20px;background:#fff;box-shadow:var(--shadow);overflow:hidden;transform:perspective(1000px) rotateY(-2deg) rotateX(1deg)}.window-bar{height:44px;display:flex;align-items:center;gap:6px;padding:0 15px;border-bottom:1px solid #eef0f5;background:#fbfcfe}.window-bar>span{width:7px;height:7px;border-radius:50%;background:#d9dce5}.window-bar>span:first-child{background:#ff8e91}.window-bar b{margin-left:12px;color:#788196;font-size:10px}.window-layout{height:360px;display:grid;grid-template-columns:56px 175px 1fr}.mini-sidebar{padding:15px 12px;background:#17213a}.mini-logo{width:30px;height:30px;margin-bottom:22px;border-radius:9px;background:linear-gradient(135deg,#7750ef,#11b6d0)}.mini-sidebar i{display:block;width:25px;height:6px;margin:17px auto;border-radius:6px;background:#34415e}.mini-sidebar i.active{height:25px;background:#7251e4}.conversation-list{padding:18px 12px;background:#f8f9fc;border-right:1px solid #eceef4}.list-title{display:flex;justify-content:space-between;margin:0 5px 14px;font-size:11px;font-weight:700}.list-title small{padding:2px 6px;color:#7552d6;border-radius:8px;background:#ece7ff}.contact{display:flex;gap:8px;padding:9px 7px;margin-bottom:5px;border-radius:9px}.contact.active{background:#fff;box-shadow:0 5px 14px rgba(40,48,90,.06)}.contact>b{display:grid;place-items:center;flex:0 0 28px;height:28px;color:#fff;font-size:10px;border-radius:9px;background:linear-gradient(135deg,#7452e7,#22a7da)}.contact span{min-width:0}.contact strong,.contact small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contact strong{font-size:10px}.contact small{width:103px;margin-top:4px;color:#9aa1af;font-size:8px}.chat-preview{position:relative;padding:18px;background:#fff}.chat-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid #eef0f5}.chat-top strong,.chat-top small{display:block}.chat-top strong{font-size:11px}.chat-top small{margin-top:3px;color:#9ba2b1;font-size:8px}.chat-top>b{padding:5px 8px;color:#29a877;font-size:8px;border-radius:7px;background:#e8fbf3}.bubble{max-width:78%;margin-top:20px;padding:10px 12px;font-size:9px;line-height:1.6;border-radius:12px}.bubble.customer{margin-left:auto;color:#fff;background:linear-gradient(135deg,#7854ed,#219ed9);border-bottom-right-radius:3px}.bubble.ai{display:flex;gap:8px;background:#f4f5f9;border-bottom-left-radius:3px}.bubble.ai span{display:grid;place-items:center;flex:0 0 22px;height:22px;color:#fff;border-radius:50%;background:#7250dd;font-size:7px}.bubble.ai p{margin:0}.suggestion{position:absolute;left:18px;right:18px;bottom:17px;display:flex;align-items:center;justify-content:space-between;padding:9px 11px;border:1px solid #e3dcfb;border-radius:9px;background:#faf8ff;color:#7253cd;font-size:8px}.suggestion button{padding:5px 8px;border:0;border-radius:6px;color:#fff;background:#7251e0;font-size:8px}.float-card{position:absolute;z-index:3;display:flex;align-items:center;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.94);box-shadow:0 16px 40px rgba(42,48,90,.15);backdrop-filter:blur(10px)}.float-card.response{right:-25px;top:42px;flex-direction:column;align-items:flex-start;padding:13px 18px;border-radius:13px}.float-card.response b{font-size:18px}.float-card.response span{margin-top:3px;color:#949bad;font-size:8px}.float-card.online{left:-22px;bottom:39px;gap:8px;padding:10px 14px;border-radius:11px;font-size:9px}.float-card.online i{width:7px;height:7px;border-radius:50%;background:#22c985;box-shadow:0 0 0 4px #dcf9eb}.logo-strip{padding:25px 24px 29px;text-align:center;border-block:1px solid #eef0f4;background:#fbfcfe}.logo-strip>span{color:#9aa1af;font-size:11px}.logo-strip>div{display:flex;justify-content:center;gap:54px;margin-top:18px;color:#586274;font-size:13px}.section-space{padding-block:110px}.section-heading{max-width:690px;margin:0 auto 52px;text-align:center}.section-heading.left{margin:0;text-align:left}.section-heading h2{margin:14px 0 17px;font-size:clamp(32px,4vw,48px);line-height:1.23;letter-spacing:-.04em}.section-heading p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{position:relative;min-height:250px;padding:31px;border:1px solid var(--line);border-radius:19px;background:#fff;box-shadow:0 10px 35px rgba(34,41,75,.045);transition:.25s}.feature-card:hover{transform:translateY(-6px);border-color:#d8ccff;box-shadow:0 20px 50px rgba(60,51,110,.1)}.feature-card.featured{background:linear-gradient(145deg,#fbf9ff,#f2fbfd)}.feature-icon{display:grid;place-items:center;width:47px;height:47px;margin-bottom:25px;border-radius:14px;font-size:16px;font-weight:800}.feature-icon.violet{color:#7147dc;background:#eee8ff}.feature-icon.blue{color:#237fdb;background:#e4f1ff}.feature-icon.cyan{color:#0fa9b9;background:#e1f8fa}.feature-icon.amber{color:#da8b1c;background:#fff3dc}.feature-icon.pink{color:#d8579c;background:#fde8f4}.feature-icon.green{color:#1a9e6b;background:#e4f8ef}.feature-card h3{margin:0 0 13px;font-size:19px}.feature-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}.channel-pills{display:flex;gap:8px;margin-top:22px}.channel-pills span{padding:6px 10px;border:1px solid #e0d8fb;border-radius:8px;color:#6652ad;background:#fff;font-size:10px}.handoff-section,.pricing-section{background:var(--surface)}.split-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px}.handoff-visual{position:relative;min-height:430px;padding:52px 35px;border:1px solid #e7e2f6;border-radius:30px;background:linear-gradient(145deg,#f1edff,#eaf9fb);overflow:hidden}.handoff-card{position:relative;z-index:2;display:flex;align-items:center;gap:14px;padding:17px;border:1px solid rgba(255,255,255,.8);border-radius:15px;background:#fff;box-shadow:0 15px 38px rgba(51,51,92,.09)}.handoff-card>span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:#fff;font-size:12px;font-weight:700}.ai-card>span{background:#744fe8}.human-card>span{background:#1f9ac8}.handoff-card div{flex:1}.handoff-card small,.handoff-card p{display:block;margin:0}.handoff-card small{color:#8a92a5;font-size:9px}.handoff-card p{margin-top:5px;font-size:11px}.handoff-card>b{padding:5px 8px;border-radius:7px;font-size:8px}.ai-card>b{color:#24a873;background:#e7f9f1}.human-card>b{color:#d78b1b;background:#fff2dd}.flow-line{display:flex;flex-direction:column;align-items:center;height:70px}.flow-line:before{content:"";width:1px;height:100%;background:#bcb0e8}.flow-line i{position:absolute;width:5px;height:5px;border-radius:50%;background:#7c5ae5}.flow-line i:nth-child(2){margin-top:30px}.flow-line i:nth-child(3){margin-top:60px}.notice-card{position:absolute;z-index:3;right:15px;bottom:20px;display:flex;gap:10px;padding:13px 16px;border-radius:13px;background:#1d2944;color:#fff;box-shadow:0 18px 35px rgba(29,41,68,.22)}.notice-card strong,.notice-card small{display:block}.notice-card strong{font-size:10px}.notice-card small{margin-top:4px;color:#aeb9cd;font-size:8px}.check-list{padding:0;margin:31px 0 0;list-style:none}.check-list li{position:relative;padding:0 0 22px 38px}.check-list li:before{content:"✓";position:absolute;left:0;top:1px;display:grid;place-items:center;width:23px;height:23px;border-radius:7px;color:#6846d5;background:#ece6ff;font-size:11px;font-weight:bold}.check-list b,.check-list span{display:block}.check-list b{font-size:14px}.check-list span{margin-top:6px;color:var(--muted);font-size:12px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.steps article{position:relative;padding:29px 24px;border:1px solid var(--line);border-radius:17px;background:#fff}.steps article>span{position:absolute;right:18px;top:15px;color:#e0e4eb;font-size:26px;font-weight:800}.step-icon{display:grid;place-items:center;width:45px;height:45px;margin-bottom:35px;border-radius:13px;color:#6c47db;background:#eee9ff;font-size:20px}.steps h3{margin:0 0 10px;font-size:16px}.steps p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.pricing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,420px));justify-content:center;align-items:center;gap:24px}.price-card{position:relative;padding:38px;border:1px solid #e2e5ed;border-radius:22px;background:#fff;box-shadow:0 16px 45px rgba(38,44,78,.07)}.price-card.popular{border-color:#8163e5;box-shadow:0 24px 60px rgba(105,78,207,.14);transform:scale(1.025)}.popular-tag{position:absolute;right:24px;top:22px;padding:5px 10px;color:#fff;border-radius:8px;background:#714be0;font-size:10px}.plan-label{color:#6a48d4;font-size:12px;font-weight:800}.price-card h3{margin:13px 0 23px;font-size:20px}.price{display:flex;align-items:baseline}.price small{font-size:18px;font-weight:700}.price b{font-size:51px;letter-spacing:-.04em}.price span{margin-left:6px;color:#8991a2;font-size:12px}.price-card>p{min-height:44px;margin:10px 0 23px;color:var(--muted);font-size:12px;line-height:1.7}.price-card ul{padding:23px 0 0;margin:24px 0 0;border-top:1px solid #edf0f4;list-style:none}.price-card li{position:relative;padding:7px 0 7px 25px;font-size:12px}.price-card li:before{content:"✓";position:absolute;left:0;color:#6550ca;font-weight:bold}.price-card li.muted{color:#a2a8b4}.faq-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:95px}.faq-list details{border-bottom:1px solid #e4e7ed}.faq-list summary{display:flex;align-items:center;justify-content:space-between;padding:22px 0;cursor:pointer;font-size:14px;font-weight:700;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary i{font-size:20px;font-style:normal;font-weight:400;transition:.2s}.faq-list details[open] summary i{transform:rotate(45deg)}.faq-list p{margin:-4px 45px 22px 0;color:var(--muted);font-size:12px;line-height:1.8}.final-cta{position:relative;min-height:360px;padding:72px 78px;margin-bottom:100px;border-radius:30px;color:#fff;background:linear-gradient(120deg,#6540d5,#3568da 60%,#0aa9c6);overflow:hidden}.final-cta:before{content:"";position:absolute;width:480px;height:480px;right:-100px;top:-170px;border:1px solid rgba(255,255,255,.15);border-radius:50%;box-shadow:0 0 0 65px rgba(255,255,255,.04),0 0 0 130px rgba(255,255,255,.025)}.kicker.light{color:#dcd5ff}.final-cta h2{margin:15px 0;font-size:42px;line-height:1.2;letter-spacing:-.04em}.final-cta p{margin:0 0 28px;color:#e1e7ff;font-size:14px}.cta-art{position:absolute;right:120px;top:80px;width:200px;height:200px}.cta-art span,.cta-art i{position:absolute;inset:0;border:1px solid rgba(255,255,255,.25);transform:rotate(45deg);border-radius:35px}.cta-art i{inset:30px;border-color:rgba(255,255,255,.38)}.cta-art b{position:absolute;inset:65px;display:grid;place-items:center;border-radius:22px;background:rgba(255,255,255,.18);backdrop-filter:blur(10px);font-size:25px}footer{padding-top:65px;background:#10182c;color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:80px;padding-bottom:55px}.footer-brand p{max-width:360px;margin:20px 0 0;color:#8e9aaf;font-size:12px;line-height:1.8}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:13px}.footer-grid>div>strong{margin-bottom:8px;font-size:13px}.footer-grid>div>a{color:#8e9aaf;font-size:12px}.copyright{display:flex;justify-content:space-between;padding-block:22px;border-top:1px solid #263047;color:#758198;font-size:10px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}


/* desktop-nav center-out underline (added 2026-08-17) */
.desktop-nav a {
  position: relative;
  padding-bottom: 4px;
  transition: color .25s ease;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, #7c3aed 0%, #06b6d4 100%);
  transform: scaleX(0);
  transform-origin: 0% 50%;
  transition: transform .35s cubic-bezier(.22, .61, .36, 1);
}
.desktop-nav a:hover { color: var(--violet); }
.desktop-nav a:hover::after,
.desktop-nav a.active::after { transform: scaleX(1); }




@media (max-width:980px){.desktop-nav{display:none}.hero{grid-template-columns:1fr;padding-top:70px}.hero-copy{text-align:center}.hero-copy>p{margin-inline:auto}.hero-actions,.trust-row{justify-content:center}.product-stage{width:min(720px,100%);margin-inline:auto}.feature-grid{grid-template-columns:repeat(2,1fr)}.split-layout{gap:45px}.steps{grid-template-columns:repeat(2,1fr)}.faq-section{grid-template-columns:1fr;gap:30px}.faq-section .section-heading{margin-bottom:0}.cta-art{right:55px;opacity:.6}}
@media (max-width:760px){.section-shell{width:min(100% - 32px,1180px)}.site-header{height:66px;padding-inline:16px}.header-actions,.desktop-nav{display:none}.menu-open{display:flex;width:38px;height:38px;flex-direction:column;justify-content:center;gap:4px;border:0;background:transparent}.menu-open span{width:20px;height:2px;margin-inline:auto;background:#253047}.mobile-menu{position:fixed;z-index:100;inset:0;display:flex;flex-direction:column;gap:24px;padding:90px 30px 30px;background:#fff;transform:translateX(100%);transition:.3s}.mobile-menu.open{transform:none}.mobile-menu>a{font-size:21px;font-weight:700}.mobile-menu .button{margin-top:10px;color:#fff;font-size:15px}.menu-close{position:absolute;right:20px;top:15px;width:40px;height:40px;border:0;background:none;font-size:32px}.menu-visible{overflow:hidden}.hero{min-height:auto;padding-block:62px 52px}.hero h1{font-size:42px}.hero-copy>p{font-size:15px}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.trust-row{display:grid;grid-template-columns:1fr;text-align:left;width:max-content;margin-inline:auto}.product-stage{min-height:330px}.window-layout{height:260px;grid-template-columns:43px 110px 1fr}.conversation-list{padding:12px 7px}.contact{padding:6px 4px}.contact>b{flex-basis:22px;height:22px}.contact small{width:64px}.chat-preview{padding:12px}.float-card{display:none}.logo-strip>div{flex-wrap:wrap;gap:15px 25px}.section-space{padding-block:75px}.section-heading{margin-bottom:35px}.section-heading h2{font-size:34px}.feature-grid,.steps,.pricing-grid{grid-template-columns:1fr}.feature-card{min-height:auto}.split-layout{grid-template-columns:1fr;gap:50px}.handoff-visual{min-height:365px;padding:40px 18px}.price-card.popular{transform:none}.faq-section{gap:20px}.final-cta{padding:55px 28px;margin-bottom:70px}.final-cta h2{font-size:34px}.cta-art{display:none}.footer-grid{grid-template-columns:1fr;gap:35px}.copyright{gap:15px;flex-direction:column}.window-bar b{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.button,.feature-card{transition:none}}

/* compare section 2-tier (rewritten 20260817_174108) */







.dot-dot{display:inline-block;width:6px;height:6px;border-radius:50%;
  background:linear-gradient(135deg,#7047eb,#06b6d4);margin-right:6px;vertical-align:middle}