@charset "UTF-8";
:root{--ink:#211b32;--muted:#706b7d;--purple:#744ceb;--purple-dark:#5b36ca;--line:#e9e5ef;--soft:#f7f5fb;--radius:24px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-synthesis:none;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a,summary,button{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--purple);outline-offset:5px}img{max-width:100%;display:block}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3}h2{font-size:clamp(1.8rem,3vw,2.5rem);letter-spacing:-.045em}h3{font-size:1.25rem}.container{width:min(1184px,calc(100% - 64px));margin-inline:auto}.skip-link{position:fixed;top:8px;left:12px;transform:translateY(-160%);background:white;padding:12px;z-index:10}.skip-link:focus{transform:none}.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.95)}.header-inner{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;gap:10px;align-items:center;flex-shrink:0}.brand img{border-radius:12px}.brand strong{font-size:1.35rem;line-height:1.15;letter-spacing:.03em}.brand strong span{display:block;font-size:.65rem;letter-spacing:.24em;margin-top:4px}.site-header nav{display:flex;gap:36px;align-items:center;font-size:.9rem;color:var(--muted)}.site-header nav a{padding:15px 0}.site-header nav a.active{color:var(--purple);font-weight:600}.site-header nav a:hover,.text-link:hover,.site-footer nav a:hover{color:var(--purple)}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--purple);color:white;min-height:54px;padding:13px 24px;border:1px solid transparent;border-radius:12px;font-weight:600;transition:background .18s,transform .18s;cursor:pointer}.button:hover{background:var(--purple-dark);transform:translateY(-2px)}.button-small{font-size:.9rem;min-height:43px;padding:8px 19px;background:var(--ink)}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:52px;padding-block:80px 86px}.eyebrow{font-size:.75rem;letter-spacing:.13em;font-weight:650;color:var(--purple);margin-bottom:20px}.hero .eyebrow{font-size:.85rem;letter-spacing:.09em;display:flex;align-items:center;gap:10px}.spark{font-size:1.25rem}.hero h1{font-size:clamp(2.7rem,4.8vw,4.15rem);font-weight:750;letter-spacing:-.055em;line-height:1.23}.accent{color:var(--purple)}.hero-description{margin-top:27px;color:var(--muted);font-size:1.05rem;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:32px}.text-link{display:inline-flex;align-items:center;gap:18px;font-size:.94rem;font-weight:600}.hero-note{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:.78rem;margin-top:34px}.line-mark{height:1px;width:24px;background:#a29aa9;margin-right:4px}.store-link{margin-top:20px}.hero-visual{position:relative;padding:24px 34px 22px;background:#f0ecfc;border-radius:32px;min-width:0}.visual-label{display:flex;justify-content:space-between;gap:12px;font-size:.6rem;font-weight:650;letter-spacing:.08em;color:#7e708f;margin-bottom:20px}.chat-demo{margin-inline:7px 19px;background:white;border:1px solid #ebe7f5;border-radius:20px;box-shadow:0 18px 40px #4934700e;overflow:hidden;transform:rotate(-3deg)}.demo-top{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid #f1edf5}.group-avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#eee8ff;color:var(--purple);font-weight:600}.demo-top strong{font-size:.93rem}.demo-top small{display:block;font-size:.63rem;color:var(--muted);margin-top:3px}.demo-icon{margin-left:auto;color:var(--purple);font-size:1.4rem}.chat-date{text-align:center;font-size:.63rem;color:#938b9f;padding:16px 0}.message{display:flex;align-items:flex-start;gap:10px;padding:0 19px;margin-bottom:18px}.avatar{display:grid;place-items:center;flex:0 0 29px;height:29px;border-radius:10px;font-size:.65rem}.avatar-peach{background:#f6dfce;color:#916445}.avatar-blue{background:#dce8ee;color:#4b667d}.message small{display:block;color:#8b8196;font-size:.63rem;margin-bottom:4px}.message p{padding:10px 13px;background:#f4f2f7;border-radius:0 12px 12px;font-size:.78rem;line-height:1.7}.outgoing{justify-content:flex-end}.outgoing small{text-align:right}.outgoing p{background:var(--purple);color:white;border-radius:12px 0 12px 12px}.demo-composer{margin:21px 18px 18px;border:1px solid #eeebf2;border-radius:9px;padding:10px 13px;font-size:.64rem;color:#9a92a4;display:flex;align-items:center;justify-content:space-between}.demo-composer span+span{font-size:1rem}.floating-note{position:relative;display:flex;align-items:center;gap:13px;width:max-content;max-width:100%;padding:13px 18px;background:#fff;border:1px solid #e9e3f5;border-radius:15px;margin:-8px -47px 0 auto;box-shadow:0 10px 30px #442c6410;transform:rotate(3deg)}.floating-note strong{font-size:.8rem;display:block}.floating-note div>span{font-size:.65rem;color:var(--muted)}.note-icon{display:grid;place-items:center;width:39px;height:39px;background:#eee8fc;color:var(--purple);border-radius:12px;font-size:1.55rem}.visual-footer{display:flex;justify-content:space-between;align-items:center;margin-top:24px;font-size:.64rem;color:#867594}.mini-brand{font-size:.78rem;font-weight:750;letter-spacing:.15em}.feature-strip{border-block:1px solid var(--line);background:#fcfbfd}.feature-strip>.container{min-height:95px;display:flex;align-items:center;justify-content:space-between;gap:20px}.feature-strip span{color:var(--muted);font-size:.85rem}.feature-strip p{font-size:1rem;font-weight:600}.feature-strip i{font-style:normal;color:#b7a4df}.section{padding-block:94px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:40px}.section-heading>p{font-size:.95rem;color:var(--muted);line-height:1.9}.section .eyebrow{margin-bottom:16px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.feature-card{position:relative;padding:30px;border-radius:var(--radius);background:var(--soft);min-height:340px;display:flex;align-items:flex-start;flex-direction:column}.feature-number{color:var(--muted);font-size:.7rem;letter-spacing:.09em}.feature-symbol{font-size:2.3rem;color:var(--purple);margin:15px 0 22px;line-height:1}.feature-card p{font-size:.92rem;color:var(--muted);line-height:1.85;margin-top:15px}.feature-tag{font-size:.72rem;border:1px solid #ded7ea;border-radius:30px;padding:4px 12px;margin-top:24px}.purple-card{background:#ebe4fe}.control-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center;padding-block:5px 95px}.control-art{background:#f2f4fa;padding:35px 40px;border-radius:var(--radius)}.control-art h2{font-size:1.8rem;margin-bottom:25px}.control-art .eyebrow{font-size:.65rem;color:#767291}.setting-preview{display:flex;align-items:center;justify-content:space-between;background:white;border:1px solid #eceaf3;padding:13px 17px;border-radius:11px;margin:10px 0;font-size:.85rem}.control-art>small{color:#89828e;display:block;text-align:right;font-size:.7rem;margin-top:12px}.static-toggle{width:31px;height:19px;background:var(--purple);border-radius:20px;position:relative}.static-toggle:after{content:"";width:13px;height:13px;border-radius:50%;background:white;position:absolute;right:3px;top:3px}.theme-chips{display:flex;gap:6px}.theme-chips i{height:17px;width:17px;border-radius:50%;background:#ede8fa;border:1px solid #ded6ef}.theme-chips i:nth-child(2){background:#403948}.theme-chips i:nth-child(3){background:var(--purple)}.device-symbol{color:var(--purple);font-size:1.3rem;line-height:1}.control-copy>p:not(.eyebrow){color:var(--muted);margin-top:20px;line-height:1.95}.check-list{list-style:none;padding:0;margin:24px 0 30px;font-size:.95rem}.check-list li{margin:13px 0;display:flex;gap:12px}.check-list li:before{content:"✓";color:var(--purple);font-weight:bold}.support-banner{background:var(--ink);color:white;border-radius:var(--radius);padding:42px 46px;display:flex;align-items:center;justify-content:space-between;gap:35px}.support-banner .eyebrow{color:#bca4fa;font-size:.7rem;margin-bottom:14px}.support-banner h2{font-size:1.8rem}.support-banner p:not(.eyebrow){color:#c7bed9;margin-top:13px;font-size:.9rem}.button-white{background:white;color:var(--ink);flex-shrink:0}.button-white:hover{background:#e9e0fa}.site-footer{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding-block:46px 34px;margin-top:26px}.site-footer>p{font-size:.8rem;color:var(--muted)}.site-footer nav{margin-left:auto;display:flex;gap:25px;font-size:.8rem}.site-footer>small{flex-basis:100%;border-top:1px solid var(--line);padding-top:18px;color:#837b8b;font-size:.75rem}section[id],div[id]{scroll-margin-top:28px}
/* Support */
.support-hero{background:var(--soft);border-bottom:1px solid var(--line);padding:58px 0 50px}.breadcrumb{font-size:.78rem;color:var(--muted);margin-bottom:30px;display:flex;gap:12px}.breadcrumb a:hover{color:var(--purple)}.support-hero h1{font-size:clamp(2.3rem,4vw,3.4rem);letter-spacing:-.045em}.support-hero .eyebrow{margin-bottom:13px}.support-hero .intro{color:var(--muted);margin-top:18px}.support-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;padding-top:48px;padding-bottom:76px}.support-sidebar{align-self:start;position:sticky;top:28px}.support-sidebar>p{font-size:.72rem;letter-spacing:.12em;color:var(--muted);margin-bottom:18px}.support-sidebar nav{display:grid;gap:6px}.support-sidebar nav a{font-size:.9rem;padding:11px 14px;border-radius:9px}.support-sidebar nav a:hover{background:#f1ecfc;color:var(--purple)}.support-sidebar .side-note{margin-top:28px;padding:18px;border:1px solid var(--line);border-radius:14px;font-size:.8rem;color:var(--muted);line-height:1.85}.support-sidebar .side-note strong{display:block;color:var(--ink);margin-bottom:6px}.faq-search{display:block;margin-bottom:32px}.faq-search label{display:block;font-size:.85rem;font-weight:600;margin-bottom:10px}.faq-search input{width:100%;border:1px solid #ded7e9;border-radius:12px;padding:15px 17px;color:var(--ink);background:white}.search-status{font-size:.8rem;color:var(--muted);margin-top:8px;min-height:1.3em}.faq-group{margin-bottom:40px}.faq-group h2{font-size:1.35rem;letter-spacing:0;margin-bottom:18px;display:flex;gap:12px;align-items:center}.section-index{font-size:.7rem;color:var(--purple);background:#f0eafa;border-radius:8px;padding:4px 7px;letter-spacing:0}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{padding:19px 35px 19px 0;cursor:pointer;font-size:.97rem;font-weight:550;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:4px;top:13px;font-size:1.45rem;color:var(--purple);font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 25px 22px 0;color:var(--muted);font-size:.92rem;line-height:1.95}.faq-answer p+p{margin-top:10px}.faq-answer strong{color:var(--ink);font-weight:550}.faq-answer ol,.faq-answer ul{padding-left:23px;margin:8px 0}.empty-state{padding:25px;background:var(--soft);border-radius:14px;margin-bottom:36px}.empty-state a{text-decoration:underline;color:var(--purple)}.contact-panel{background:#f3effc;padding:32px;border-radius:20px}.contact-panel h2{font-size:1.5rem;letter-spacing:0}.contact-panel>p{font-size:.93rem;color:var(--muted);margin-top:14px}.steps{list-style:none;padding:0;margin:24px 0}.steps li{display:flex;gap:14px;margin:17px 0;font-size:.92rem}.step-number{background:white;border:1px solid #dfd6f2;color:var(--purple);width:27px;height:27px;display:grid;place-items:center;flex-shrink:0;border-radius:50%;font-size:.75rem}.steps strong{display:block;margin-bottom:2px}.steps p{color:var(--muted);font-size:.87rem}.contact-note{border-top:1px solid #ded5ef;padding-top:18px;font-size:.82rem!important}.contact-panel [data-email-section]{margin-top:25px}.contact-panel [data-email-link]{display:inline-block;color:var(--purple);text-decoration:underline;overflow-wrap:anywhere}.security-note{border:1px solid var(--line);padding:20px 24px;border-radius:14px;margin-top:24px;color:var(--muted);font-size:.86rem}.security-note strong{display:block;color:var(--ink);margin-bottom:7px}
@media(min-width:1500px){.hero{padding-block:100px}.hero-visual{padding-top:28px;padding-bottom:26px}}
@media(max-width:1050px){.hero{gap:30px}.hero-visual{padding-inline:20px}.floating-note{margin-right:-24px}.hero h1{font-size:3.3rem}.hero-description{font-size:.95rem}.hero-actions{gap:18px}.control-section{gap:45px}.feature-card{padding:24px}.support-layout{gap:36px;grid-template-columns:195px minmax(0,1fr)}}
@media(max-width:760px){.container{width:calc(100% - 40px)}.header-inner{min-height:78px;gap:15px}.site-header nav{gap:20px;font-size:.82rem}.header-action{display:none}.hero{grid-template-columns:1fr;padding-block:46px 48px;gap:42px}.hero h1{font-size:clamp(2.8rem,8vw,4rem)}.hero-description{font-size:1rem}.hero-note{margin-top:24px}.hero-visual{max-width:520px;width:100%;margin-inline:auto;padding:24px 30px}.floating-note{margin-right:-20px}.feature-strip>.container{flex-wrap:wrap;justify-content:center;gap:12px 19px;padding-block:23px}.feature-strip span{flex-basis:100%;text-align:center;margin-bottom:3px}.feature-strip p{font-size:.82rem}.feature-strip i{font-size:.75rem}.section{padding-block:55px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:20px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:0;padding:28px}.feature-symbol{margin:18px 0}.control-section{grid-template-columns:1fr;gap:30px;padding-bottom:55px}.control-art{padding:28px}.control-copy{padding:0 4px}.support-banner{display:block;padding:30px 25px}.support-banner h2{font-size:1.5rem}.support-banner .button{margin-top:24px}.site-footer{gap:20px;padding-top:30px}.site-footer>p{display:none}.site-footer nav{gap:18px}.support-hero{padding:30px 0 36px}.support-layout{display:block;padding-top:26px;padding-bottom:35px}.support-sidebar{position:static;margin-bottom:25px}.support-sidebar>p,.side-note{display:none}.support-sidebar nav{display:flex;flex-wrap:wrap;gap:8px}.support-sidebar nav a{background:var(--soft);padding:8px 12px;font-size:.8rem}.contact-panel{padding:25px}.faq-item summary{font-size:.93rem}.desktop-break{display:none}}
@media(max-width:390px){.site-header nav{gap:13px;font-size:.77rem}.brand{gap:5px}.brand img{width:35px;height:35px}.brand strong{font-size:1.16rem}.hero-actions{gap:18px}.hero-actions .button{padding:12px 18px;gap:15px}.hero-note{font-size:.68rem;gap:6px}.hero-visual{padding-inline:16px}.visual-label{font-size:.55rem}.floating-note{margin-right:-10px}.feature-strip>.container{gap:10px}.feature-strip p{font-size:.76rem}.site-footer nav{font-size:.74rem;gap:15px}}
.brand strong{font-size:1.15rem;letter-spacing:.02em;white-space:nowrap}
@media(max-width:760px){.header-inner{flex-wrap:wrap;gap:0;padding-block:14px 4px}.site-header nav{flex-basis:100%;justify-content:space-between;gap:20px;margin-top:5px;font-size:.87rem}.site-header nav a{padding-block:10px}.site-footer nav{margin-left:0}.hero-actions{flex-wrap:wrap}.visual-label{font-size:.65rem;letter-spacing:0}.visual-footer{gap:10px}.mini-brand{letter-spacing:0;font-size:.75rem}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}