:root{color:#172033;background:#fff;font-family:Inter,Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--primary: #5865e8;--primary-dark: #3f49c8;--primary-soft: #eef0ff;--cyan: #22b8cf;--ink: #172033;--muted: #687086;--line: #e8eaf1;--soft: #f7f8fc;--white: #ffffff;--shadow: 0 28px 80px rgba(49, 56, 110, .16)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;min-width:320px;min-height:100vh;color:var(--ink);background:var(--white)}button,a{-webkit-tap-highlight-color:transparent}button{border:0;font:inherit;cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible{outline:3px solid rgba(88,101,232,.32);outline-offset:3px}.site-shell{min-height:100vh;overflow:hidden}.section-wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}.site-header{position:sticky;z-index:80;top:0;height:72px;border-bottom:1px solid rgba(228,231,241,.82);background:#ffffffe0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.nav-wrap{display:flex;width:min(1180px,calc(100% - 48px));height:100%;align-items:center;justify-content:space-between;margin:0 auto}.brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:11px;color:var(--ink);font-size:20px;font-weight:800;letter-spacing:-.04em;text-decoration:none}.brand-mark{position:relative;display:flex;width:36px;height:36px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:11px 11px 11px 4px;background:linear-gradient(145deg,#6f77f3,#4755da);box-shadow:0 8px 20px #4b56da47}.brand-mark:after{position:absolute;bottom:-3px;left:3px;width:8px;height:8px;border-radius:0 0 0 2px;background:#4755da;content:"";transform:skewY(-25deg)}.brand-mark i{position:relative;z-index:1;display:block;width:16px;height:2px;border-radius:3px;background:#fff}.brand-mark i:last-child{width:11px;margin-left:-5px;opacity:.82}.nav-content,.nav-links{display:flex;align-items:center}.nav-content{flex:1;justify-content:flex-end;gap:40px}.nav-links{gap:6px}.nav-links a{padding:9px 14px;border-radius:9px;color:#5f6678;font-size:14px;font-weight:600;text-decoration:none;transition:color .18s ease,background .18s ease}.nav-links a:hover{color:var(--primary-dark);background:var(--primary-soft)}.header-download{display:inline-flex;height:40px;align-items:center;gap:8px;padding:0 17px;border-radius:10px;color:#fff;background:var(--primary);box-shadow:0 10px 24px #4852cf38;font-size:14px;font-weight:700;transition:background .18s ease,transform .18s ease,box-shadow .18s ease}.header-download:hover{background:var(--primary-dark);box-shadow:0 13px 28px #4852cf47;transform:translateY(-1px)}.header-download svg{width:17px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.menu-button{display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:9px;background:var(--soft)}.menu-button span{width:18px;height:2px;border-radius:2px;background:var(--ink)}.hero{position:relative;overflow:hidden;padding:88px 0 102px;background:linear-gradient(180deg,#f7f8ff,#fbfdff 58%,#fff)}.hero:before{position:absolute;top:360px;left:50%;width:920px;height:420px;border:1px solid rgba(105,116,232,.09);border-radius:50%;content:"";transform:translate(-50%)}.hero-glow{position:absolute;border-radius:50%;pointer-events:none;filter:blur(3px)}.hero-glow--one{top:-240px;right:-180px;width:560px;height:560px;background:radial-gradient(circle,#8c97ff3b,#8c97ff00)}.hero-glow--two{top:180px;left:-220px;width:520px;height:520px;background:radial-gradient(circle,#67d9e52e,#67d9e500)}.hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 48px));margin:0 auto;text-align:center}.release-pill{display:inline-flex;min-height:34px;align-items:center;gap:9px;padding:0 15px;border:1px solid rgba(88,101,232,.13);border-radius:999px;color:#5260d2;background:#edf0ffd1;font-size:13px;font-weight:700}.release-pill>span{width:7px;height:7px;border-radius:50%;background:#58c6b8;box-shadow:0 0 0 4px #58c6b821}.hero h1{max-width:900px;margin:24px auto 0;color:#151b2d;font-size:clamp(52px,6.5vw,78px);font-weight:800;letter-spacing:-.065em;line-height:1.12}.hero h1 span{padding:0 .05em;color:transparent;background:linear-gradient(105deg,#5063e9 8%,#7d5ee6,#1eb6cc);background-clip:text;-webkit-background-clip:text}.hero-lead{max-width:730px;margin:27px auto 0;color:var(--muted);font-size:18px;line-height:1.85}.hero-actions{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:34px}.button{display:inline-flex;min-width:164px;min-height:52px;align-items:center;justify-content:center;gap:10px;padding:0 23px;border-radius:12px;font-size:15px;font-weight:750;text-decoration:none;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease}.button svg{width:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.button--primary{color:#fff;background:linear-gradient(135deg,#6571ef,#4c57d9);box-shadow:0 16px 32px #4751cc45}.button--primary:hover{box-shadow:0 20px 38px #4751cc57;transform:translateY(-2px)}.button--secondary{border:1px solid #d9ddea;color:#4f576b;background:#ffffffd4}.button--secondary:hover{border-color:#bec4e2;background:#fff;transform:translateY(-2px)}.button--secondary span,.steps-download span{transition:transform .18s ease}.button--secondary:hover span,.steps-download:hover span{transform:translate(3px)}.platform-note{margin:17px 0 0;color:#8a91a2;font-size:12px}.hero-enter{animation:hero-rise .7s cubic-bezier(.22,1,.36,1) both}.hero-enter--one{animation-delay:40ms}.hero-enter--two{animation-delay:.1s}.hero-enter--three{animation-delay:.17s}.hero-enter--four{animation-delay:.24s}.hero-enter--five{animation-delay:.31s}.demo-block{position:relative;margin-top:76px;border:1px solid rgba(214,219,235,.92);border-radius:26px;background:#ffffffeb;box-shadow:var(--shadow);text-align:left}.demo-block:before{position:absolute;z-index:-1;right:8%;bottom:-30px;left:8%;height:70px;border-radius:50%;background:#4f5bc933;content:"";filter:blur(34px)}.demo-caption{display:flex;min-height:82px;align-items:center;justify-content:space-between;gap:24px;padding:16px 25px 15px 29px;border-bottom:1px solid #ebedf4}.demo-caption>div:first-child{display:flex;min-width:0;align-items:center;gap:18px}.section-kicker{display:inline-flex;align-items:center;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.12em}.section-kicker:before{width:18px;height:2px;margin-right:8px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--cyan));content:""}.demo-caption strong{overflow:hidden;color:#22293b;font-size:16px;text-overflow:ellipsis;white-space:nowrap}.demo-controls{display:flex;flex:0 0 auto;align-items:center;gap:12px}.live-label{display:inline-flex;align-items:center;gap:7px;color:#778095;font-size:12px}.live-label i{width:7px;height:7px;border-radius:50%;background:#35bc8b;box-shadow:0 0 0 4px #35bc8b1f;animation:live-pulse 1.8s ease infinite}.demo-controls button{min-width:52px;height:30px;border:1px solid #e2e5ee;border-radius:8px;color:#646c80;background:#fff;font-size:12px}.demo-controls button:hover{border-color:#cdd2e5;color:var(--primary)}.demo-stage{display:grid;min-height:532px;grid-template-columns:minmax(300px,.72fr) 64px minmax(500px,1.28fr);align-items:center;padding:34px;background:radial-gradient(circle at 15% 0%,rgba(178,218,255,.36),transparent 34%),radial-gradient(circle at 100% 100%,rgba(198,191,255,.3),transparent 36%),#f7f8fc}.wechat-window,.desktop-window{overflow:hidden;border:1px solid rgba(203,208,224,.9);background:#fff;box-shadow:0 18px 48px #2a315b26}.wechat-window{display:flex;height:446px;border-radius:14px}.wechat-rail{display:flex;width:48px;flex:0 0 auto;flex-direction:column;align-items:center;gap:17px;padding:16px 0 14px;color:#a5a8b0;background:#292b30}.wechat-avatar,.chat-avatar{display:grid;flex:0 0 auto;place-items:center;color:#fff;font-weight:800}.wechat-avatar{width:30px;height:30px;margin-bottom:3px;border-radius:6px;background:linear-gradient(135deg,#6f78ef,#4b57d6);font-size:12px}.wechat-rail-icon{display:grid;width:27px;height:27px;place-items:center;font-size:17px}.wechat-rail-icon.active{color:#51c68e}.wechat-rail-spacer,.desktop-rail-spacer{flex:1}.wechat-main{display:flex;min-width:0;flex:1;flex-direction:column}.wechat-header{display:flex;min-height:62px;flex-direction:column;justify-content:center;padding:0 17px;border-bottom:1px solid #dcdee2;background:#f5f5f5}.wechat-header>div{display:flex;align-items:center;justify-content:space-between}.wechat-header strong{color:#292c31;font-size:13px;font-weight:600}.wechat-header span{color:#70747b;font-size:16px;letter-spacing:.1em}.wechat-header small{margin-top:4px;color:#999da5;font-size:9px}.wechat-thread{display:flex;min-height:0;flex:1;flex-direction:column;gap:19px;padding:15px 13px;background:#f2f2f2}.wechat-thread>time{align-self:center;color:#aaaeb5;font-size:9px}.wechat-message{display:flex;align-items:flex-start;gap:8px}.chat-avatar{width:29px;height:29px;border-radius:5px;font-size:10px}.chat-avatar.customer{color:#5e6674;background:linear-gradient(145deg,#e2e7ed,#cbd1da)}.chat-avatar.agent{background:linear-gradient(145deg,#7a83f3,#5360de)}.wechat-message p{position:relative;max-width:calc(100% - 43px);margin:0;padding:9px 11px;border-radius:4px;color:#34373e;background:#fff;box-shadow:0 1px 1px #1e222c0d;font-size:10px;line-height:1.58}.wechat-message.incoming p:before,.wechat-message.outgoing p:after{position:absolute;top:9px;width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;content:""}.wechat-message.incoming p:before{left:-5px;border-right:6px solid #fff}.wechat-message.outgoing{justify-content:flex-end;margin-top:4px}.wechat-message.outgoing p{background:#95ec69}.wechat-message.outgoing p:after{right:-5px;border-left:6px solid #95ec69}.wechat-compose{min-height:102px;padding:10px 13px;border-top:1px solid #dedfe2;background:#fafafa}.compose-icons{display:flex;gap:13px;color:#575b62;font-size:15px}.compose-area{display:flex;flex-direction:column;gap:7px;margin-top:13px}.compose-area i{width:72%;height:4px;border-radius:4px;background:#ebecef}.compose-area i:nth-child(2){width:54%}.compose-area i:nth-child(3){width:64%}.demo-bridge{position:relative;z-index:2;display:flex;align-items:center;justify-content:center}.demo-bridge span{position:absolute;top:-25px;color:#7079a5;font-size:10px;font-weight:700;white-space:nowrap}.demo-bridge svg{width:43px;overflow:visible;fill:none;stroke:#6874e7;stroke-dasharray:4 3;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7;animation:arrow-nudge 1.8s ease-in-out infinite}.desktop-window{position:relative;height:480px;border-radius:15px}.desktop-titlebar{display:grid;height:38px;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 13px;border-bottom:1px solid #e7e9f0;color:#8b90a0;background:#fbfbfd}.desktop-titlebar strong{color:#62697a;font-size:10px;font-weight:650}.desktop-titlebar>span{justify-self:end;font-size:9px;letter-spacing:.05em}.window-dots{display:flex;gap:5px}.window-dots i{width:7px;height:7px;border-radius:50%;background:#ff746c}.window-dots i:nth-child(2){background:#f5c54f}.window-dots i:nth-child(3){background:#55c77a}.desktop-body{display:flex;height:calc(100% - 38px)}.desktop-rail{display:flex;width:50px;flex:0 0 auto;flex-direction:column;align-items:center;gap:12px;padding:13px 0 12px;color:#9ba2ba;background:#30396e}.desktop-logo,.desktop-user,.desktop-nav{display:grid;place-items:center}.desktop-logo{width:30px;height:30px;margin-bottom:5px;border-radius:8px 8px 8px 3px;color:#4b58d5;background:#fff;font-size:12px;font-weight:850}.desktop-nav{width:30px;height:30px;border-radius:8px;font-size:14px}.desktop-nav.active{color:#fff;background:#ffffff29}.desktop-user{width:26px;height:26px;border:1px solid rgba(255,255,255,.18);border-radius:50%;color:#e6e8f3;background:#4d578c;font-size:9px}.category-panel{display:flex;width:150px;flex:0 0 auto;flex-direction:column;padding:17px 12px;border-right:1px solid #ebedf3;background:#f8f9fc}.category-panel>strong{padding:0 6px;color:#30364a;font-size:12px}.new-group{display:grid;height:30px;place-items:center;margin-top:15px;border:1px solid #d9def4;border-radius:7px;color:#5662da;background:#fff;font-size:9px;font-weight:700}.category-panel>p{margin:19px 6px 7px;color:#a0a6b4;font-size:8px;font-weight:700;letter-spacing:.12em}.category-item{display:flex;height:31px;align-items:center;gap:7px;padding:0 7px;border-radius:7px;color:#73798a;font-size:9px}.category-item.active{color:#4e5bd5;background:#e9ecfc;font-weight:700}.category-item i{width:8px;height:8px;border:1.5px solid currentColor;border-radius:2px}.category-item b{margin-left:auto;font-size:8px;font-weight:500}.reply-panel{position:relative;min-width:0;flex:1;padding:17px 17px 14px;background:#fff}.reply-panel>header{display:flex;align-items:center;justify-content:space-between}.reply-panel>header>div{display:flex;flex-direction:column;gap:4px}.reply-panel>header strong{color:#2d3449;font-size:13px}.reply-panel>header small{color:#a0a5b3;font-size:8px}.sync-state{display:inline-flex;align-items:center;gap:5px;color:#7b8395;font-size:8px}.sync-state i{width:6px;height:6px;border-radius:50%;background:#36bd88}.reply-search{display:flex;height:35px;align-items:center;gap:8px;margin-top:14px;padding:0 10px;border:1px solid #e1e4ee;border-radius:8px;color:#8b91a1;background:#fafbfe;font-size:9px}.reply-search svg{width:14px;fill:none;stroke:#8b91a1;stroke-linecap:round;stroke-width:1.8}.reply-search kbd{margin-left:auto;padding:2px 5px;border:1px solid #e2e5ed;border-radius:4px;color:#9ba0ad;background:#fff;font-family:inherit;font-size:7px}.result-label{margin:16px 2px 8px;color:#979dac;font-size:8px;font-weight:600}.reply-list{display:flex;flex-direction:column;gap:7px}.reply-item{display:flex;width:100%;min-height:66px;align-items:center;gap:10px;padding:8px 9px;border:1px solid #ebedf3;border-radius:9px;color:inherit;background:#fff;text-align:left;transition:border .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}.reply-item:hover,.reply-item.active{border-color:#cdd3fb;background:#f7f8ff;box-shadow:0 7px 16px #525ec314}.reply-item.active{transform:translate(3px)}.reply-icon{display:grid;width:30px;height:30px;flex:0 0 auto;place-items:center;border-radius:7px;color:#5864df;background:#e9ecff;font-size:15px;font-weight:800}.reply-copy{display:flex;min-width:0;flex:1;flex-direction:column;gap:5px}.reply-copy strong,.reply-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reply-copy strong{color:#343a4c;font-size:9px}.reply-copy small{color:#959baa;font-size:7px}.reply-item>kbd{flex:0 0 auto;color:#a0a5b4;font-family:inherit;font-size:7px}.reply-item>b{display:inline-flex;height:25px;flex:0 0 auto;align-items:center;padding:0 8px;border-radius:6px;color:#fff;background:#5b66df;font-size:8px}.demo-toast{position:absolute;right:17px;bottom:15px;display:flex;min-height:31px;align-items:center;gap:7px;padding:0 11px;border:1px solid rgba(88,101,232,.13);border-radius:8px;color:#4d56a7;background:#f2f4fff5;box-shadow:0 8px 18px #4a52911f;font-size:8px;font-weight:650}.demo-toast span{display:grid;width:15px;height:15px;place-items:center;border-radius:50%;color:#fff;background:#46b98d;font-size:8px}.demo-cursor{position:absolute;z-index:5;top:197px;right:45px;width:22px;color:#273052;filter:drop-shadow(0 3px 3px rgba(25,31,60,.2));pointer-events:none;transition:top .6s cubic-bezier(.2,.8,.2,1),right .6s cubic-bezier(.2,.8,.2,1)}.demo-cursor svg{display:block;width:100%;fill:#fff;stroke:currentColor;stroke-linejoin:round;stroke-width:1.6}.demo-cursor--shipping{top:205px;right:45px}.demo-cursor--afterSale{top:278px;right:37px}.demo-cursor--discount{top:350px;right:49px}.demo-tabs{display:flex;min-height:58px;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-top:1px solid #eceef4;background:#fff}.demo-tabs button{display:inline-flex;min-height:34px;align-items:center;gap:7px;padding:0 13px;border-radius:999px;color:#7c8394;background:transparent;font-size:11px;white-space:nowrap}.demo-tabs button span{width:6px;height:6px;border-radius:50%;background:#c8ccd6}.demo-tabs button:hover,.demo-tabs button.active{color:#4f5ad2;background:#eef0ff}.demo-tabs button.active span{background:#5865e8;box-shadow:0 0 0 4px #5865e81a}.message-swap-enter-active,.message-swap-leave-active,.reply-pop-enter-active,.reply-pop-leave-active,.toast-pop-enter-active,.toast-pop-leave-active{transition:opacity .26s ease,transform .3s ease}.message-swap-enter-from,.message-swap-leave-to{opacity:0;transform:translate(-10px)}.reply-pop-enter-from,.reply-pop-leave-to{opacity:0;transform:translateY(9px) scale(.97)}.reply-pop-enter-active{transition-delay:.13s}.toast-pop-enter-from,.toast-pop-leave-to{opacity:0;transform:translateY(8px)}.section-section{padding:112px 0}.section-heading{max-width:720px;margin:0 auto 54px;text-align:center}.section-heading .section-kicker{justify-content:center}.section-heading h2{margin:17px 0 0;color:#181e30;font-size:clamp(36px,4.5vw,51px);font-weight:780;letter-spacing:-.055em;line-height:1.2}.section-heading p{margin:19px auto 0;color:var(--muted);font-size:16px;line-height:1.75}.features{background:#fff}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.feature-card{position:relative;min-height:258px;padding:29px 25px 26px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 5px 16px #2e345509;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease}.feature-card:after{position:absolute;right:18px;bottom:17px;width:52px;height:52px;border-radius:50%;background:radial-gradient(circle,rgba(104,115,235,.08),transparent 68%);content:""}.feature-card:hover{border-color:#d2d7f5;box-shadow:0 19px 44px #323a6d1a;transform:translateY(-6px)}.feature-icon{display:grid;width:50px;height:50px;place-items:center;border-radius:14px;color:#5865e8;background:linear-gradient(145deg,#f1f3ff,#e7eaff)}.feature-icon svg{width:24px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.65}.feature-card:nth-child(2) .feature-icon{color:#159cb7;background:linear-gradient(145deg,#eafcff,#def7fa)}.feature-card:nth-child(3) .feature-icon{color:#8862d7;background:linear-gradient(145deg,#f6f0ff,#eee6ff)}.feature-card:nth-child(4) .feature-icon{color:#d37e4f;background:linear-gradient(145deg,#fff5ed,#ffecdf)}.feature-card h3{margin:24px 0 0;color:#252b3d;font-size:18px;font-weight:750}.feature-card p{margin:12px 0 0;color:#737a8c;font-size:14px;line-height:1.75}.steps{background:radial-gradient(circle at 50% 115%,rgba(111,124,240,.12),transparent 34%),#f7f8fc}.step-list{display:grid;max-width:1050px;grid-template-columns:repeat(3,minmax(0,1fr));gap:52px;margin:0 auto;padding:0;list-style:none}.step-list li{position:relative;text-align:center}.step-number{display:grid;width:68px;height:68px;place-items:center;margin:0 auto;border:1px solid rgba(88,101,232,.17);border-radius:20px;color:#fff;background:linear-gradient(145deg,#6974ef,#4d58d8);box-shadow:0 14px 28px #4e59cf3b;font-size:20px;font-weight:800}.step-copy h3{margin:24px 0 0;color:#252b3d;font-size:19px}.step-copy p{max-width:270px;margin:11px auto 0;color:#747b8e;font-size:14px;line-height:1.7}.step-line{position:absolute;top:34px;left:calc(50% + 54px);width:calc(100% + 18px);height:1px;border-top:1px dashed #bfc5e4}.step-line i{position:absolute;top:-4px;right:-1px;width:8px;height:8px;border-top:1px solid #aeb5da;border-right:1px solid #aeb5da;transform:rotate(45deg)}.steps-download{margin:50px auto 0}.site-footer{color:#aab0c2;background:#171b2b}.footer-main{display:grid;grid-template-columns:1.7fr .7fr .7fr 1.15fr;gap:58px;padding-top:66px;padding-bottom:56px}.brand--footer{color:#fff}.footer-brand>p{margin:21px 0 0;color:#858da4;font-size:14px;line-height:1.85}.footer-column{display:flex;align-items:flex-start;flex-direction:column;gap:13px}.footer-column>strong{margin-bottom:7px;color:#fff;font-size:14px}.footer-column a,.footer-column button,.footer-column>span{padding:0;color:#858da4;background:none;font-size:13px;line-height:1.6;text-align:left;text-decoration:none;transition:color .17s ease}.footer-column a:hover,.footer-column button:hover{color:#fff}.footer-contact small{display:inline-flex;align-items:center;gap:8px;margin-top:8px;color:#717a91;font-size:11px}.footer-contact small i{width:7px;height:7px;border-radius:50%;background:#46bd8f;box-shadow:0 0 0 4px #46bd8f1a}.footer-bottom{display:flex;min-height:70px;align-items:center;justify-content:space-between;border-top:1px solid #292e41;color:#656e84;font-size:12px}.modal-backdrop{position:fixed;z-index:120;top:0;right:0;bottom:0;left:0;display:grid;overflow-y:auto;place-items:center;padding:24px;background:#11152794;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.download-modal{position:relative;width:min(720px,100%);max-height:calc(100vh - 48px);overflow-y:auto;padding:34px;border:1px solid rgba(255,255,255,.75);border-radius:22px;background:#fff;box-shadow:0 32px 90px #12184145}.modal-close{position:absolute;top:17px;right:17px;display:grid;width:34px;height:34px;place-items:center;border-radius:9px;color:#737a8b;background:#f3f4f8;font-size:23px;font-weight:300;line-height:1}.modal-close:hover{color:var(--ink);background:#e9ebf2}.modal-heading{display:flex;align-items:center;gap:16px;padding-right:38px}.modal-icon{display:grid;width:50px;height:50px;flex:0 0 auto;place-items:center;border-radius:14px;color:#fff;background:linear-gradient(145deg,#6b76ee,#4b57d6);box-shadow:0 12px 25px #4c57cd40}.modal-icon svg{width:25px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.modal-heading h2{margin:0;color:#242a3c;font-size:23px;letter-spacing:-.03em}.modal-heading p{margin:6px 0 0;color:#7a8193;font-size:13px}.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:27px}.download-grid article{display:flex;min-height:92px;align-items:center;gap:12px;padding:15px;border:1px solid #e6e8f0;border-radius:13px;background:#fff}.download-grid article.unavailable{background:#fafafd}.platform-mark{display:grid;width:42px;height:42px;flex:0 0 auto;place-items:center;border-radius:11px;color:#5360dc;background:#eef0ff;font-size:10px;font-weight:850}.download-grid article:nth-child(2) .platform-mark{color:#6b55aa;background:#f1ecfb}.download-grid article:nth-child(3) .platform-mark{color:#158e77;background:#e8f8f3}.download-grid article:nth-child(4) .platform-mark{color:#b2724c;background:#fff0e8}.download-grid article>div{min-width:0;flex:1}.download-grid h3{margin:0;color:#303649;font-size:14px}.download-grid p{margin:5px 0 0;color:#9197a7;font-size:10px}.download-grid small{display:block;margin-top:5px;color:#5965da;font-size:9px}.download-grid article>a{display:inline-flex;height:32px;flex:0 0 auto;align-items:center;gap:4px;padding:0 10px;border-radius:8px;color:#fff;background:#5a66df;font-size:10px;font-weight:700;text-decoration:none}.download-grid article>a:hover{background:#434fc3}.unavailable-label{flex:0 0 auto;color:#a4a9b6;font-size:10px}.download-state{display:flex;min-height:150px;align-items:center;justify-content:center;gap:11px;margin-top:24px;border-radius:14px;color:#798094;background:#f8f9fc;font-size:13px}.loading-ring{width:21px;height:21px;border:2px solid #d9ddef;border-top-color:#5965df;border-radius:50%;animation:spin .75s linear infinite}.download-warning{margin:16px 0 0;padding:10px 12px;border-radius:8px;color:#916939;background:#fff8e9;font-size:11px}.download-footnote{margin:18px 0 0;color:#a0a5b2;font-size:10px;text-align:center}.modal-fade-enter-active,.modal-fade-leave-active{transition:opacity .18s ease}.modal-fade-enter-active .download-modal,.modal-fade-leave-active .download-modal{transition:transform .22s ease,opacity .18s ease}.modal-fade-enter-from,.modal-fade-leave-to,.modal-fade-enter-from .download-modal,.modal-fade-leave-to .download-modal{opacity:0}.modal-fade-enter-from .download-modal,.modal-fade-leave-to .download-modal{transform:translateY(10px) scale(.98)}@keyframes hero-rise{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes live-pulse{0%,to{box-shadow:0 0 0 3px #35bc8b1a}50%{box-shadow:0 0 0 6px #35bc8b08}}@keyframes arrow-nudge{0%,to{transform:translate(-2px)}50%{transform:translate(4px)}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1100px){.demo-stage{grid-template-columns:minmax(275px,.72fr) 42px minmax(430px,1.28fr);padding:26px 22px}.category-panel{width:132px}.reply-item>kbd{display:none}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card{min-height:240px}}@media(max-width:900px){.demo-stage{grid-template-columns:minmax(0,1fr);gap:22px;padding:28px}.wechat-window{width:min(520px,100%);height:420px;justify-self:center}.demo-bridge{height:35px;transform:rotate(90deg)}.demo-bridge span{top:-23px}.desktop-window{width:100%;height:470px}.footer-main{grid-template-columns:1.4fr repeat(2,.7fr)}.footer-contact{grid-column:2 / 4}}@media(max-width:760px){.section-wrap,.nav-wrap,.hero-inner{width:min(100% - 32px,620px)}.site-header{height:64px}.menu-button{display:flex}.nav-content{position:absolute;top:63px;right:0;left:0;display:none;align-items:stretch;flex-direction:column;gap:12px;padding:16px;border-bottom:1px solid #e4e7f0;background:#fffffffa;box-shadow:0 18px 32px #262c501a}.nav-content.open{display:flex}.nav-links{align-items:stretch;flex-direction:column;gap:3px}.nav-links a{padding:11px 12px}.header-download{justify-content:center}.hero{padding:66px 0 80px}.hero h1{margin-top:21px;font-size:clamp(43px,12vw,62px);letter-spacing:-.06em}.hero-lead{font-size:16px}.demo-block{margin-top:58px;border-radius:20px}.demo-caption{align-items:flex-start;flex-direction:column;gap:12px;padding:18px}.demo-caption>div:first-child{align-items:flex-start;flex-direction:column;gap:7px}.demo-caption strong{font-size:14px;white-space:normal}.demo-controls{align-self:stretch;justify-content:space-between}.demo-stage{padding:18px}.demo-tabs{overflow-x:auto;justify-content:flex-start}.section-section{padding:84px 0}.section-heading{margin-bottom:40px}.section-heading h2{font-size:38px}.feature-grid{grid-template-columns:minmax(0,1fr)}.feature-card{min-height:230px}.step-list{max-width:520px;grid-template-columns:minmax(0,1fr);gap:24px}.step-list li{display:grid;min-height:110px;grid-template-columns:68px 1fr;align-items:center;gap:20px;text-align:left}.step-number,.step-copy h3{margin:0}.step-copy p{max-width:none;margin:8px 0 0}.step-line{top:89px;left:34px;width:1px;height:46px;border-top:0;border-left:1px dashed #bfc5e4}.step-line i{top:auto;right:-4px;bottom:0;border-top:0;border-right:1px solid #aeb5da;border-bottom:1px solid #aeb5da}.footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:42px 28px;padding-top:52px}.footer-brand{grid-column:1 / -1}.footer-contact{grid-column:auto}}@media(max-width:560px){.brand{font-size:18px}.brand-mark{width:33px;height:33px}.release-pill{padding:0 12px;font-size:11px}.hero{padding-top:54px}.hero h1{font-size:42px}.hero-lead{line-height:1.75}.hero-actions{align-items:stretch;flex-direction:column}.button{width:100%}.demo-block{margin-right:-8px;margin-left:-8px}.demo-stage{padding:12px}.wechat-window{height:390px}.wechat-rail{width:40px}.wechat-message p{font-size:9px}.desktop-window{height:445px}.desktop-rail{width:42px}.category-panel{display:none}.reply-panel{padding:15px 12px 12px}.reply-item{min-height:64px}.reply-copy small{max-width:150px}.demo-cursor--shipping{top:200px;right:37px}.demo-cursor--afterSale{top:271px;right:33px}.demo-cursor--discount{top:342px;right:40px}.section-heading h2{font-size:34px}.section-heading p{font-size:14px}.steps-download{width:auto;min-width:185px}.footer-main{grid-template-columns:1fr}.footer-brand,.footer-contact{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center;gap:7px}.footer-bottom p{margin:0}.modal-backdrop{align-items:end;padding:0}.download-modal{width:100%;max-height:92vh;padding:27px 18px 24px;border-radius:22px 22px 0 0}.modal-heading{align-items:flex-start}.modal-icon{width:43px;height:43px}.modal-heading h2{font-size:19px}.modal-heading p{max-width:215px;line-height:1.5}.download-grid{grid-template-columns:minmax(0,1fr)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}.demo-stage{position:relative;display:grid;min-height:570px;grid-template-columns:minmax(0,1.62fr) minmax(350px,.92fr);gap:0;align-items:center;padding:44px 36px 34px;overflow:hidden;background:radial-gradient(circle at 10% 0%,rgba(178,218,255,.36),transparent 34%),radial-gradient(circle at 100% 100%,rgba(198,191,255,.3),transparent 36%),#f7f8fc}.social-window,.helper-window{position:relative;z-index:2;height:492px;overflow:hidden;border:1px solid #d8dce6;background:#fff}.social-window{border-radius:14px 0 0 14px;box-shadow:-18px 22px 48px #2a315b21}.helper-window{border-left:0;border-radius:0 14px 14px 0;box-shadow:18px 22px 48px #2a315b29}.snap-badge{position:absolute;z-index:8;top:14px;left:64%;display:inline-flex;height:25px;align-items:center;gap:6px;padding:0 9px;border:1px solid #ddcfef;border-radius:999px;color:#7453a6;background:#faf6fff0;box-shadow:0 5px 13px #55397b14;font-size:8px;font-weight:700;transform:translate(-50%)}.snap-badge svg{width:12px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.social-titlebar{display:grid;height:38px;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 12px;border-bottom:1px solid #e1e3e8;background:#fbfbfc}.social-titlebar strong{color:#666b75;font-size:10px;font-weight:600}.social-titlebar>span{justify-self:end;color:#9a9da5;font-size:9px;word-spacing:7px}.social-body{display:flex;height:calc(100% - 38px);min-width:0}.social-rail{display:flex;width:46px;flex:0 0 auto;flex-direction:column;align-items:center;gap:15px;padding:14px 0 12px;color:#a6abb4;background:#30343d}.social-user,.contact-avatar,.chat-avatar{display:grid;place-items:center;font-weight:700}.social-user{width:28px;height:28px;margin-bottom:3px;border-radius:6px;color:#fff;background:linear-gradient(145deg,#6f7ff0,#5363db);font-size:10px}.social-nav{display:grid;width:28px;height:28px;place-items:center;font-size:14px}.social-nav.active{color:#73a9ff}.social-rail-spacer{flex:1}.contact-panel{width:155px;flex:0 0 auto;border-right:1px solid #e3e5e9;background:#f7f7f8}.contact-search{height:29px;margin:10px 9px 8px;padding:0 9px;border-radius:5px;color:#9b9fa8;background:#e9eaed;font-size:8px;line-height:29px}.contact-item{position:relative;display:flex;height:57px;align-items:center;gap:8px;padding:7px 7px 7px 9px}.contact-item.active{background:#dedfe2}.contact-avatar{width:33px;height:33px;flex:0 0 auto;border-radius:6px;color:#fff;font-size:10px}.contact-avatar--blue{background:linear-gradient(145deg,#84a9e6,#607fc5)}.contact-avatar--orange{background:linear-gradient(145deg,#efb87a,#d88655)}.contact-avatar--green{background:linear-gradient(145deg,#6fc8ad,#479b84)}.contact-item>div{display:flex;min-width:0;flex:1;flex-direction:column;gap:5px}.contact-item strong,.contact-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contact-item strong{color:#3c4048;font-size:9px;font-weight:600}.contact-item small{color:#9a9ea6;font-size:7px}.contact-item time{position:absolute;top:10px;right:7px;color:#afb2b9;font-size:6px}.social-chat{display:flex;min-width:0;flex:1;flex-direction:column}.social-chat-header{display:flex;height:54px;flex:0 0 auto;align-items:center;justify-content:space-between;padding:0 17px;border-bottom:1px solid #dedfe3;background:#f7f7f8}.social-chat-header>div{display:flex;flex-direction:column;gap:4px}.social-chat-header strong{color:#32363e;font-size:11px;font-weight:600}.social-chat-header small{display:inline-flex;align-items:center;gap:4px;color:#9ba0a8;font-size:7px}.social-chat-header small i{width:5px;height:5px;border-radius:50%;background:#51bc8d}.social-chat-header>span{color:#898d95;font-size:12px;letter-spacing:.08em}.social-thread{display:flex;min-height:0;flex:1;flex-direction:column;gap:18px;padding:14px 13px;background:#f3f4f6}.social-thread>time{align-self:center;color:#afb3ba;font-size:7px}.social-message{display:flex;align-items:flex-start;gap:8px}.chat-avatar{width:29px;height:29px;flex:0 0 auto;border-radius:5px;color:#fff;font-size:9px}.chat-avatar.customer{background:linear-gradient(145deg,#86a9e1,#617fc0)}.chat-avatar.agent{background:linear-gradient(145deg,#7584ef,#5666db)}.social-message p{position:relative;max-width:calc(100% - 42px);margin:0;padding:9px 11px;border-radius:5px;color:#373b43;background:#fff;box-shadow:0 1px 1px #1e222c0d;font-size:9px;line-height:1.6}.social-message.incoming p:before,.social-message.outgoing p:after{position:absolute;top:9px;width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;content:""}.social-message.incoming p:before{left:-5px;border-right:6px solid #fff}.social-message.outgoing{justify-content:flex-end}.social-message.outgoing p{color:#fff;background:#6178e6}.social-message.outgoing p:after{right:-5px;border-left:6px solid #6178e6}.social-compose{position:relative;height:108px;flex:0 0 auto;padding:9px 12px;border-top:1px solid #dedfe3;background:#fff}.compose-tools{display:flex;gap:12px;color:#666b75;font-size:13px}.social-compose>p{max-height:44px;margin:10px 0 0;overflow:hidden;font-size:8px;line-height:1.55}.compose-placeholder{color:#b3b6bd}.compose-text{color:#3f444d}.social-compose button{position:absolute;right:12px;bottom:10px;height:25px;padding:0 13px;border-radius:5px;color:#989ca5;background:#eceef2;font-size:8px;transition:color .18s ease,background .18s ease,transform .18s ease}.social-compose button.active{color:#fff;background:#5b72e2;transform:scale(1.04)}.helper-titlebar{display:flex;height:38px;align-items:center;justify-content:space-between;gap:5px;padding:0 4px;border-bottom:1px solid #ece9ef;background:#fff}.helper-titlebar nav,.helper-window-actions{display:flex;align-items:center;gap:2px}.helper-feature,.helper-window-actions>span{display:grid;width:29px;height:29px;place-items:center;border-radius:6px;color:#55515b;font-size:10px}.helper-feature svg,.helper-window-actions svg{width:15px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.helper-feature.active,.helper-window-actions .magnet.active{color:#7453a6;background:#f2eafb}.helper-feature.active:after{position:absolute;top:34px;width:16px;height:2px;border-radius:2px;background:#7453a6;content:""}.helper-window-actions>span{width:25px;color:#77717d;font-size:9px}.helper-category-bar{display:flex;height:36px;align-items:center;gap:4px;padding:4px 6px;border-bottom:1px solid #ece9ef;background:#fff}.helper-category{display:inline-flex;height:27px;align-items:center;padding:0 9px;border:1px solid #6da8ec;border-radius:4px;color:#fff;background:#79b1ef;font-size:8px;white-space:nowrap}.helper-category.active{border-color:#1677ff;background:#1677ff}.helper-category-action{margin-left:auto;color:#6d6a72;font-size:10px;white-space:nowrap}.helper-search{height:31px;margin:0;padding:0 9px;border-bottom:1px solid #ece9ef;color:#8f8a94;background:#fff;font-size:8px;line-height:31px}.helper-content{height:calc(100% - 105px);overflow:hidden;background:#fff}.quick-section>header{display:flex;height:34px;align-items:center;justify-content:space-between;padding:0 11px 0 14px;border-bottom:1px solid #d9e2ef;color:#163b68;background:#fff;font-size:10px}.quick-section>header strong{font-weight:500}.quick-section>header span{color:#91a3ba}.quick-list{margin:0;padding:0}.quick-row{display:flex;width:100%;min-width:0;height:54px;align-items:center;gap:6px;padding:4px 8px 4px 6px;border-bottom:1px solid #edf1f6;color:#315477;background:#fff;text-align:left;transition:background .18s ease,box-shadow .18s ease}.quick-row:hover,.quick-row.active{background:#e6f4ff}.quick-row.sending{background:#bae0ff;box-shadow:inset 3px 0 #1677ff}.quick-send{display:grid;width:26px;height:26px;flex:0 0 auto;place-items:center;border-radius:4px;color:#9aabc0}.quick-send svg{width:14px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7}.quick-row.active .quick-send,.quick-row.sending .quick-send{color:#1677ff;background:#d6e9ff}.quick-row.sending .quick-send{animation:send-button-pulse .65s ease infinite alternate}.quick-title{max-width:31%;flex:0 0 auto;overflow:hidden;padding:1px 6px;border-radius:3px;color:#fff;font-size:8px;font-weight:500;line-height:19px;text-overflow:ellipsis;white-space:nowrap}.quick-title--shipping{background:#79b1ef}.quick-title--afterSale{background:#8b72ca}.quick-title--discount{background:#e3975e}.quick-body{min-width:0;flex:1;overflow:hidden;color:#174f86;font-size:8px;text-overflow:ellipsis;white-space:nowrap}.quick-section.secondary{margin-top:0}.helper-status{position:absolute;z-index:5;right:10px;bottom:11px;display:flex;height:29px;align-items:center;gap:6px;padding:0 9px;border:1px solid #d8e8f8;border-radius:6px;color:#315477;background:#f7fbfff5;box-shadow:0 7px 18px #26486e1c;font-size:7px;font-weight:600}.helper-status>span{display:grid;width:14px;height:14px;place-items:center;border-radius:50%;color:#fff;background:#7f9cc2;font-size:7px}.helper-status--sending>span{background:#1677ff}.helper-status--sent>span{background:#45b989}.helper-window .demo-cursor{top:149px;right:auto;left:12px;width:19px;transition:top .6s cubic-bezier(.2,.8,.2,1),transform .18s ease}.helper-window .demo-cursor--shipping{top:149px;right:auto}.helper-window .demo-cursor--afterSale{top:203px;right:auto}.helper-window .demo-cursor--discount{top:257px;right:auto}.demo-stage--sending .helper-window .demo-cursor{transform:translate(7px,3px) scale(.82)}.send-flight{position:absolute;z-index:10;top:196px;left:65%;display:inline-flex;height:27px;align-items:center;gap:6px;padding:0 9px;border-radius:999px;color:#fff;background:#1677ff;box-shadow:0 8px 18px #1677ff40;font-size:7px;font-weight:700;pointer-events:none;animation:send-to-chat .9s cubic-bezier(.2,.72,.25,1) both}.demo-stage--afterSale .send-flight{top:250px}.demo-stage--discount .send-flight{top:304px}.send-flight svg{width:13px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7}.send-flight-enter-active,.send-flight-leave-active{transition:opacity .12s ease}.send-flight-enter-from,.send-flight-leave-to{opacity:0}.input-fill-enter-active,.input-fill-leave-active{transition:opacity .18s ease,transform .22s ease}.input-fill-enter-from,.input-fill-leave-to{opacity:0;transform:translateY(4px)}@keyframes send-to-chat{0%{opacity:0;transform:translate(0) scale(.86)}18%{opacity:1}78%{opacity:1}to{opacity:0;transform:translate(-185px,202px) scale(.76)}}@keyframes send-button-pulse{0%{box-shadow:0 0 #1677ff38}to{box-shadow:0 0 0 5px #1677ff00}}@media(max-width:1100px){.demo-stage{grid-template-columns:minmax(0,1.45fr) minmax(325px,.92fr);padding:40px 24px 30px}.contact-panel{width:135px}.helper-category{padding:0 7px}.send-flight{left:63%}}@media(max-width:900px){.demo-stage{min-height:538px;grid-template-columns:minmax(0,1.35fr) minmax(285px,.95fr);gap:0;padding:38px 18px 28px}.social-window,.helper-window{width:auto;height:456px}.contact-panel{display:none}.helper-feature:nth-child(4),.helper-category:nth-child(3){display:none}.helper-window .demo-cursor--shipping{top:149px}.helper-window .demo-cursor--afterSale{top:203px}.helper-window .demo-cursor--discount{top:257px}.send-flight{left:59%}}@media(max-width:760px){.demo-stage{min-height:482px;grid-template-columns:minmax(0,1.12fr) minmax(180px,.88fr);padding:30px 9px 18px}.social-window,.helper-window{height:424px}.snap-badge{top:4px;left:56%}.social-rail{display:none}.social-titlebar,.helper-titlebar{height:34px}.social-titlebar{padding:0 7px}.social-titlebar .window-dots i{width:5px;height:5px}.social-titlebar strong{font-size:8px}.social-titlebar>span{font-size:7px}.social-body{height:calc(100% - 34px)}.social-chat-header{height:47px;padding:0 9px}.social-thread{padding:11px 8px}.social-message{gap:5px}.chat-avatar{width:23px;height:23px;font-size:7px}.social-message p{max-width:calc(100% - 30px);padding:7px 8px;font-size:7px}.social-compose{height:94px;padding:7px 8px}.compose-tools{gap:8px;font-size:10px}.social-compose>p{margin-top:7px;font-size:6px}.social-compose button{right:7px;bottom:7px;height:21px;padding:0 9px;font-size:6px}.helper-titlebar{padding:0 2px}.helper-feature,.helper-window-actions>span{width:23px;height:25px;font-size:7px}.helper-feature svg,.helper-window-actions svg{width:12px}.helper-feature.active:after{top:30px;width:12px}.helper-window-actions>span:not(.magnet){display:none}.helper-category-bar{height:32px;gap:3px;padding:3px 4px}.helper-category{height:23px;padding:0 5px;font-size:6px}.helper-category:nth-child(2){display:none}.helper-category-action{font-size:7px}.helper-search{height:27px;padding:0 5px;font-size:6px;line-height:27px}.helper-content{height:calc(100% - 93px)}.quick-section>header{height:30px;padding:0 7px;font-size:8px}.quick-row{height:49px;gap:3px;padding:3px}.quick-send{width:21px;height:21px}.quick-send svg{width:11px}.quick-title{max-width:42%;padding:0 4px;font-size:6px;line-height:16px}.quick-body{font-size:6px}.helper-window .demo-cursor{left:5px;width:15px}.helper-window .demo-cursor--shipping{top:130px}.helper-window .demo-cursor--afterSale{top:179px}.helper-window .demo-cursor--discount{top:228px}.helper-status{right:5px;bottom:6px;height:24px;padding:0 6px;font-size:5px}.send-flight{left:56%;height:22px;padding:0 6px;font-size:5px}.demo-stage--shipping .send-flight{top:160px}.demo-stage--afterSale .send-flight{top:209px}.demo-stage--discount .send-flight{top:258px}}@media(max-width:560px){.demo-stage{margin:0}.social-titlebar .window-dots{gap:3px}.social-message.outgoing p{max-width:calc(100% - 27px)}.helper-feature:nth-child(3){display:none}}@media(prefers-reduced-motion:reduce){.send-flight{display:none}}