:root{
  --paper:#f6f2e9;--surface:#fffdf8;--ink:#18332f;--muted:#66736e;
  --red:#d75f42;--red-soft:#f4d8cb;--sage:#bdd9c9;--sage-soft:#e6f0e9;--yellow:#f3e3a7;
  --line:#ddd8cc;--shadow:0 22px 70px rgba(47,55,48,.1);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","STSong","Noto Serif CJK SC",serif;
}
*{box-sizing:border-box;min-width:0}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;overflow-x:hidden;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.site-header{height:76px;padding:0 clamp(16px,5vw,76px);display:flex;align-items:center;justify-content:space-between;gap:22px;position:sticky;top:0;z-index:50;background:rgba(246,242,233,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.identity{display:flex;align-items:center;gap:11px;flex:0 0 auto}.identity-symbol{width:40px;height:40px;padding:8px;display:grid;grid-template-columns:repeat(2,1fr);gap:4px;position:relative;border-radius:50% 50% 48% 52%;background:var(--ink);transform:rotate(-7deg)}.identity-symbol i{border-radius:50%;background:var(--sage)}.identity-symbol i:nth-child(2){background:var(--red)}.identity-symbol i:nth-child(3){grid-column:1/-1;width:8px;justify-self:center;background:var(--yellow)}.identity b{display:block;font:700 17px/1.2 var(--serif);letter-spacing:.12em}.identity small{display:block;margin-top:2px;color:#82908a;font-size:7px;letter-spacing:.19em}.site-header nav{display:flex;gap:7px;overflow:hidden}.site-header nav a{padding:8px 11px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap}.site-header nav a:hover{background:var(--sage-soft)}.header-cta{padding:10px 17px;color:#fff;background:var(--ink);border:1px solid var(--ink);border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap}.hero{min-height:calc(100svh - 76px);display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:6vw;padding:72px clamp(20px,7vw,110px) 90px}.eyebrow{display:flex;align-items:center;gap:10px;color:#566963;font-size:9px;letter-spacing:.2em}.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 6px rgba(215,95,66,.13)}.hero h1{margin:30px 0;font:700 clamp(54px,7.3vw,104px)/1.05 var(--serif);letter-spacing:-.06em}.hero h1 span{color:var(--red)}.hero-copy>p{max-width:590px;margin:0;color:var(--muted);font-size:17px;line-height:1.9}.hero-actions{display:flex;gap:10px;margin-top:34px}.hero-actions a{padding:14px 19px;border:1px solid var(--ink);border-radius:4px 4px 17px 4px;font-size:12px;font-weight:700}.hero-actions .primary{min-width:165px;color:#fff;background:var(--ink)}.hero-actions b{float:right}.hero-visual{width:min(500px,88vw);aspect-ratio:1;justify-self:center;position:relative;border-radius:50% 50% 42% 58%;background:var(--sage);box-shadow:30px 30px 0 var(--red-soft);transform:rotate(5deg)}.hero-visual:before{content:"";position:absolute;inset:13%;border:1px solid rgba(24,51,47,.3);border-radius:46% 54% 50% 50%;transform:rotate(20deg)}.orbit{position:absolute;border:1px solid rgba(24,51,47,.38);border-radius:50%}.orbit-a{inset:24% 7%;transform:rotate(30deg)}.orbit-b{inset:7% 28%;transform:rotate(-32deg)}.core{position:absolute;inset:34%;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:50%;box-shadow:0 0 0 10px rgba(255,253,248,.35);transform:rotate(-5deg)}.core span{align-self:end;font:700 28px/1 var(--serif)}.core small{align-self:start;font-size:6px;letter-spacing:.18em}.star{width:15px;height:15px;position:absolute;border:4px solid var(--surface);border-radius:50%;box-shadow:0 0 0 7px rgba(255,253,248,.3)}.s1{left:20%;top:18%;background:var(--red)}.s2{right:9%;top:48%;background:var(--yellow)}.s3{left:22%;bottom:11%;background:var(--ink)}.signal{position:absolute;right:17%;top:15%;display:flex;align-items:end;gap:4px;transform:rotate(-5deg)}.signal i{display:block;width:4px;height:11px;background:var(--ink);border-radius:5px}.signal i:nth-child(2){height:19px}.signal i:nth-child(3){height:27px}.ticker{padding:22px clamp(18px,6vw,90px);display:flex;align-items:center;justify-content:space-between;gap:18px;color:#fff;background:var(--ink);font-size:12px;letter-spacing:.08em;white-space:nowrap;overflow:hidden}.ticker i{color:var(--yellow);font-style:normal}.features{padding:120px clamp(20px,6vw,92px);background:var(--surface)}.section-head{display:grid;grid-template-columns:.45fr 1fr .7fr;align-items:end;gap:38px;margin-bottom:68px}.section-head>span,.experience-card>span,.trust>div>span{color:var(--red);font-size:9px;letter-spacing:.19em}.section-head h2,.experience h2,.trust h2,.download h2{margin:0;font:700 clamp(40px,5vw,67px)/1.16 var(--serif);letter-spacing:-.045em}.section-head p{margin:0;color:var(--muted);line-height:1.85}.feature-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:13px}.feature-grid article{min-height:420px;padding:28px;display:flex;flex-direction:column;overflow:hidden;background:var(--paper);border:1px solid var(--line);border-radius:5px 5px 34px 5px}.feature-grid article>span{color:var(--red);font-size:9px}.feature-grid h3{margin:auto 0 9px;font:700 27px/1.3 var(--serif)}.feature-grid article>p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}.feature-main{color:#fff!important;background:var(--ink)!important}.feature-main>span{color:var(--sage)!important}.feature-main>p{color:#aebeb8!important}.chat-demo{margin-top:40px}.chat-demo p{width:max-content;max-width:92%;margin:8px 0;padding:12px 15px;color:#d4dfdb;background:#2a4943;border-radius:3px 15px 15px 15px}.chat-demo p:nth-child(2){margin-left:auto;color:var(--ink);background:var(--yellow);border-radius:15px 3px 15px 15px}.avatars{display:flex;justify-content:center;margin:auto 0}.avatars i{width:62px;height:62px;margin-left:-13px;display:grid;place-items:center;border:5px solid var(--paper);border-radius:50%;background:var(--sage);font-style:normal;font-weight:700}.avatars i:nth-child(even){background:var(--red-soft)}.wave{height:145px;margin:auto;display:flex;align-items:center;justify-content:center;gap:7px}.wave i{width:8px;height:50px;background:var(--red);border-radius:99px}.wave i:nth-child(2),.wave i:nth-child(4){height:98px}.wave i:nth-child(3){height:138px;background:var(--sage)}.experience{padding:110px clamp(20px,6vw,92px)}.experience-card{padding:clamp(31px,6vw,78px);color:#fff;background:var(--ink);border-radius:6px 90px 6px 6px;position:relative;overflow:hidden}.experience-card:after{content:"";width:230px;height:230px;position:absolute;right:-50px;top:-55px;border:42px solid var(--red);border-radius:50%}.experience-card>span{color:var(--sage)}.experience h2{max-width:800px;margin:20px 0 70px;position:relative;z-index:1}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;position:relative;z-index:1}.steps>div{padding:25px;border:1px solid rgba(255,255,255,.18);border-radius:4px 4px 24px 4px;background:rgba(255,255,255,.04)}.steps b{color:var(--yellow);font-size:10px}.steps h3{margin:32px 0 8px;font:700 20px var(--serif)}.steps p{margin:0;color:#b5c4bf;font-size:13px;line-height:1.75}.trust{padding:120px clamp(20px,7vw,110px);display:grid;grid-template-columns:1fr 1fr;gap:90px;background:var(--sage)}.trust>div>span{color:#6f3a2c}.trust h2{margin-top:20px}.trust-copy{align-self:end}.trust-copy>p{margin-top:0;font-size:17px;line-height:1.85}.trust-copy ul{list-style:none;margin:30px 0;padding:0}.trust-copy li{padding:14px 0;border-bottom:1px solid rgba(24,51,47,.2)}.trust-copy li:before{content:"●";margin-right:11px;color:var(--red);font-size:8px}.trust-copy a{display:inline-block;padding:13px 17px;color:#fff;background:var(--ink);border-radius:4px 4px 15px 4px;font-size:12px;font-weight:700}.download{padding:100px clamp(20px,7vw,110px);display:flex;align-items:end;justify-content:space-between;gap:40px;background:var(--paper)}.download>div>span{font-size:9px;letter-spacing:.2em}.download h2{margin:14px 0 9px}.download p{margin-bottom:0;color:var(--muted)}.download-badge{min-width:260px;padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:5px 5px 24px 5px;box-shadow:var(--shadow)}.download-badge b,.download-badge small{display:block}.download-badge b{font:700 24px var(--serif)}.download-badge small{margin-top:7px;color:var(--muted)}footer{padding:66px clamp(20px,6vw,92px) 25px;color:#fff;background:#102521}.identity.light small{color:#84938e}.footer-top{display:grid;grid-template-columns:1.2fr .7fr .7fr 1fr;gap:42px}.footer-top>div{display:flex;flex-direction:column;gap:9px;color:#91a49d;font-size:12px}.footer-top>div>b{margin-bottom:6px;color:var(--sage)}.footer-top p{margin:0;line-height:1.7;overflow-wrap:anywhere}.footer-top a:hover{color:var(--yellow)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:60px;padding-top:22px;border-top:1px solid #30453f;color:#788d86;font-size:11px}.footer-bottom span{overflow-wrap:anywhere}.footer-bottom em{margin-left:16px;font-style:normal}.support-page{background:var(--paper)}.support-shell{max-width:1240px;margin:0 auto;padding:24px clamp(10px,4vw,42px) 85px}.support-hero{min-height:520px;padding:clamp(31px,6vw,68px);display:grid;grid-template-columns:1fr .5fr;align-items:center;overflow:hidden;color:#fff;background:var(--ink);border-radius:6px 80px 6px 6px}.support-hero h1{margin:40px 0;font:700 clamp(50px,7vw,94px)/1.08 var(--serif);letter-spacing:-.05em}.support-hero h1 span{color:var(--sage)}.support-hero p{max-width:570px;color:#adbbb6;line-height:1.85}.support-symbol{width:min(270px,24vw);aspect-ratio:1;display:grid;place-items:center;justify-self:center;color:var(--ink);background:var(--yellow);border-radius:50%;box-shadow:22px 22px 0 var(--red);font:700 70px var(--serif)}.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.support-grid article{padding:38px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:5px 5px 28px 5px}.support-grid article>span{color:var(--red);font-size:9px;letter-spacing:.18em}.support-grid h2{margin:14px 0 25px;font:700 32px var(--serif)}.support-grid ol{list-style:none;margin:0;padding:0}.support-grid li{display:grid;grid-template-columns:42px minmax(0,1fr);gap:13px;padding:18px 0;border-top:1px solid var(--line)}.support-grid li>b{color:var(--red);font-size:10px}.support-grid h3{margin:0 0 5px;font:700 18px var(--serif)}.support-grid p{margin:0;color:var(--muted);line-height:1.8}.contact-card{color:#fff;background:var(--ink)!important}.contact-card>p{color:#adbbb6!important;font-size:16px}.contact-action{margin-top:48px;padding:22px;color:var(--ink);background:var(--sage);border-radius:4px 4px 18px 4px;line-height:1.8;overflow-wrap:anywhere}.support-meta{margin-top:14px;padding:31px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;background:var(--red-soft);border-radius:5px 5px 24px 5px;font-size:12px}.support-meta p{margin:6px 0;line-height:1.75;overflow-wrap:anywhere}
@media(max-width:850px){html{scroll-padding-top:76px}.site-header{height:66px;padding:0 13px}.identity-symbol{width:36px;height:36px;padding:7px}.identity b{font-size:15px}.site-header nav{display:none}.header-cta{padding:9px 13px}.hero{min-height:auto;grid-template-columns:1fr;padding:58px 16px 76px}.hero h1{font-size:clamp(48px,13vw,66px)}.hero-visual{margin-top:48px;box-shadow:15px 15px 0 var(--red-soft)}.section-head{grid-template-columns:1fr;gap:18px}.feature-grid{grid-template-columns:1fr}.feature-grid article{min-height:330px}.experience-card{border-radius:5px 45px 5px 5px}.experience-card:after{width:130px;height:130px;border-width:26px}.steps{grid-template-columns:1fr}.trust{grid-template-columns:1fr;gap:42px;padding:80px 16px}.download{align-items:flex-start;flex-direction:column;padding:78px 16px}.download-badge{width:100%;min-width:0}.footer-top{grid-template-columns:1fr 1fr}.footer-top>.identity{grid-column:1/-1}.footer-bottom{flex-direction:column}.footer-bottom em{display:block;margin:7px 0 0}.support-hero{min-height:auto;grid-template-columns:1fr;border-radius:5px 45px 5px 5px}.support-symbol{width:145px;margin:38px auto 6px;box-shadow:12px 12px 0 var(--red)}.support-grid{grid-template-columns:1fr}.support-meta{grid-template-columns:1fr}}
@media(max-width:520px){.identity small{display:none}.hero h1{font-size:47px;line-height:1.12}.hero-copy>p{font-size:16px}.hero-actions{flex-direction:column}.hero-actions a{width:100%}.ticker{justify-content:flex-start}.ticker span:nth-of-type(even),.ticker i:nth-of-type(even){display:none}.features,.experience{padding:76px 10px}.section-head{padding:0 6px}.section-head h2,.experience h2,.trust h2,.download h2{font-size:38px}.feature-grid article{padding:23px}.experience-card{padding:34px 20px}.experience h2{margin-bottom:45px}.footer-top{grid-template-columns:1fr}.support-shell{padding-left:7px;padding-right:7px}.support-hero{padding:55px 20px 30px}.support-hero h1{font-size:44px}.support-grid article{padding:27px 20px}.support-meta{padding:24px 19px}}
@media(max-width:340px){.identity b{font-size:14px}.header-cta{font-size:10px}.hero h1{font-size:42px}.hero-actions a{padding:13px 16px}.section-head h2,.experience h2,.trust h2,.download h2{font-size:34px}.footer-bottom{font-size:10px}.support-hero h1{font-size:39px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* H5 interaction and overflow safeguards */
body{overflow-wrap:anywhere}.site-menu{display:none;min-height:44px;padding:8px 13px;color:var(--ink);background:transparent;border:1px solid var(--ink);border-radius:999px;font:600 11px var(--sans)}.header-cta{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:850px){.site-header{gap:8px}.site-menu{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.site-header nav{display:none;position:absolute;left:10px;right:10px;top:72px;padding:8px;flex-direction:column;align-items:stretch;gap:2px;overflow:visible;background:var(--surface);border:1px solid var(--line);border-radius:5px 5px 22px 5px;box-shadow:var(--shadow)}.site-header nav.open{display:flex}.site-header nav a{min-height:44px;display:flex;align-items:center;padding:10px 13px;white-space:normal}.hero-visual{width:calc(100vw - 62px);max-width:440px;transform:none}.core,.signal{transform:none}}
@media(max-width:520px){.hero h1{font-size:clamp(38px,12vw,47px)}.support-hero h1{font-size:clamp(34px,10.5vw,44px)}.ticker{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;white-space:normal}.ticker i{display:none}.ticker span:nth-of-type(even){display:inline}.hero-actions a,.trust-copy a{min-height:44px;display:flex;align-items:center}}
@media(max-width:350px){.site-header{padding-left:9px;padding-right:9px}.identity{gap:7px}.identity-symbol{width:34px;height:34px}.header-cta{padding-left:10px;padding-right:10px}.site-menu{padding-left:10px;padding-right:10px}}
.support-legal{margin-top:14px;padding:clamp(26px,5vw,48px);display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;color:#fff;background:var(--ink);border-radius:5px 5px 28px 5px}.support-legal>div>span{color:var(--sage);font-size:9px;letter-spacing:.18em}.support-legal h2{margin:12px 0 8px;font:700 32px var(--serif)}.support-legal p{margin:0;color:#adbbb6;line-height:1.75}.support-legal nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.support-legal nav a{min-height:44px;padding:11px 13px;display:flex;align-items:center;border:1px solid rgba(255,255,255,.16);border-radius:4px 4px 14px 4px;color:#d7e1dd;font-size:12px;overflow-wrap:anywhere}.support-legal nav a:hover{color:var(--ink);background:var(--sage)}
@media(max-width:700px){.support-legal{grid-template-columns:1fr;gap:26px}.support-legal nav{grid-template-columns:1fr}}