:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#173147;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-definitions{display:none}.container{width:min(1160px,calc(100% - 80px));margin-inline:auto}a:focus-visible,button:focus-visible{outline:3px solid #063d77;outline-offset:5px}
.hero{position:relative;overflow:hidden;isolation:isolate;color:#fff;background:linear-gradient(115deg,#0874d2 0%,#169cda 57%,#6ed7c6 100%)}.hero:before{content:"";position:absolute;z-index:-1;width:850px;height:850px;right:-350px;top:-420px;border:1px solid #ffffff20;border-radius:50%;box-shadow:0 0 0 130px #ffffff06,0 0 0 260px #ffffff05}.site-header{display:flex;align-items:center;justify-content:space-between;padding-top:32px;gap:20px}.brand{display:flex;align-items:center;gap:13px}.brand img{border-radius:14px;box-shadow:0 6px 16px #075c9820}.brand strong{display:block;font-size:27px;font-weight:750;letter-spacing:2px}.brand small{display:block;font-size:11px;letter-spacing:2px;margin-top:3px;color:#e0f3ff}.header-download{display:flex;align-items:center;gap:12px;padding:11px 18px;border:1px solid #ffffff66;border-radius:8px;font-size:14px;font-weight:600;transition:background .15s}.header-download:hover{background:#ffffff18}.header-download svg{width:18px;height:18px}
.hero-content{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:28px;min-height:650px;padding-block:30px 38px}.hero-copy{padding-bottom:15px}.eyebrow{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:#e0f8ff;margin:0 0 26px}.eyebrow>span{width:6px;height:6px;border-radius:50%;background:#baf8d7}.hero h1{font-size:clamp(36px,4.1vw,57px);line-height:1.34;letter-spacing:-1.8px;margin:0;font-weight:750;white-space:nowrap}.hero h1>span{color:#d0ffed}.intro{font-size:17px;line-height:1.9;color:#e5f6ff;margin:23px 0 35px;letter-spacing:.4px}.download-area{scroll-margin-top:35px}.download-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:470px}.download-button{display:flex;align-items:center;gap:12px;min-width:0;padding:15px 18px;background:#fff;color:#09699e;border:1px solid #ffffff;border-radius:10px;box-shadow:0 6px 14px #096c9b12;transition:transform .15s,box-shadow .15s}.download-button:hover{transform:translateY(-2px);box-shadow:0 10px 20px #096c9b24}.download-button[aria-disabled=true]{background:#effbff;color:#528ca7;box-shadow:none;cursor:default}.download-button[aria-disabled=true]:hover{transform:none}.platform-icon{width:27px;height:27px;stroke-width:1.65}.platform-icon.apple{width:26px;height:26px}.download-button>span{min-width:0}.download-button strong{font-size:16px;font-weight:650;display:block;white-space:nowrap}.download-button small{display:block;font-size:11px;line-height:20px;color:#6291a6;margin-top:5px;white-space:nowrap}.download-button[aria-disabled=false] small{font-size:14px}.button-arrow{width:17px;height:17px;margin-left:auto;opacity:.65}.download-note{min-height:36px;padding-top:12px;display:flex;align-items:baseline;gap:10px;color:#e0f4fc;font-size:12px;line-height:1.6}.download-note button{background:none;border:0;border-bottom:1px solid currentColor;color:#fff;padding:0;cursor:pointer}.download-note button[hidden]{display:none}.platform-note{display:flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.4px;color:#d8f2fc;margin-top:23px}.note-mark{width:16px;height:16px;display:inline-grid;place-items:center;border:1px solid #bcebe8;border-radius:50%;color:#ddfff3;font-size:10px}.note-divider{height:12px;width:1px;background:#ffffff45;margin:0 5px}
.app-preview{position:relative;min-width:0;height:570px;margin:0}.preview-ring{position:absolute;inset:70px -25px 0 5px;margin:auto;max-width:465px;height:465px;border:1px solid #ffffff2a;border-radius:50%}.ring-two{inset:115px 16px 0 45px;max-width:370px;height:370px;background:#ffffff08;border-color:#ffffff20}.phone{position:absolute;top:7px;left:50%;width:270px;height:550px;margin-left:-110px;overflow:hidden;color:#263e50;background:#fff;border:8px solid #f8fafc;border-radius:40px;box-shadow:0 24px 55px #004e7952,0 0 0 1px #fff7;transform:rotate(5deg)}.phone-camera{position:absolute;top:6px;left:50%;transform:translateX(-50%);width:68px;height:17px;border-radius:20px;background:#203340;z-index:2}.phone-status{height:38px;padding:11px 17px 0;display:flex;justify-content:space-between;font:600 10px Arial,sans-serif}.status-indicators{font-size:8px;letter-spacing:.5px}.status-indicators>span{padding-inline:2px}.phone-heading{height:56px;display:flex;align-items:center;gap:9px;padding:6px 15px}.phone-heading img{border-radius:9px}.phone-heading strong{font-size:17px;letter-spacing:.8px}.phone-plus{font-size:24px;margin-left:auto;color:#627b89}.phone-tabs{display:flex;gap:24px;padding:12px 17px 0;border-bottom:1px solid #edf1f4;height:44px;font-size:13px;color:#7d909e}.phone-tabs span{padding-bottom:10px}.phone-tabs .selected{position:relative;color:#188bca;font-weight:700}.phone-tabs .selected:after{position:absolute;content:"";bottom:0;left:4px;right:4px;height:3px;border-radius:2px;background:#188bca}.phone-search{height:28px;margin:12px 13px 3px;display:flex;align-items:center;gap:5px;border-radius:7px;background:#f2f5f7;color:#a4b0b9;padding:0 10px;font-size:11px}.phone-search>span{font-size:20px;line-height:1}.conversation{height:69px;display:flex;align-items:center;gap:10px;padding:10px 13px;border-bottom:1px solid #f2f4f6}.avatar{height:39px;width:39px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;font-size:17px;font-weight:650}.avatar svg{width:24px;height:24px}.avatar-green{background:#dff5e6;color:#42ac70}.avatar-blue{background:#e1edff;color:#5b94da}.avatar-orange{background:#fff0dd;color:#dca358}.conversation-text{min-width:0;display:flex;flex-direction:column;gap:7px}.conversation-text strong{font-size:11px;font-weight:650}.conversation-text small{font-size:9px;white-space:nowrap;color:#99a6b0}.conversation-meta{align-self:flex-start;display:flex;flex-direction:column;align-items:center;gap:13px;margin-top:4px;margin-left:auto;color:#b2bcc4;font-size:8px}.conversation-meta i{display:grid;place-items:center;background:#57b38f;width:13px;height:13px;border-radius:50%;color:#fff;font-size:8px;font-style:normal}.chat-card{padding:16px 12px;background:#f7f9fb;min-height:123px}.chat-card-title{display:block;font-size:9px;color:#9aa9b3;text-align:center;margin-bottom:12px}.chat-bubble{background:#fff;border:1px solid #e8eef0;border-radius:7px 7px 7px 2px;padding:8px 9px;width:max-content;font-size:9px;color:#587180}.chat-bubble.outgoing{margin-top:10px;margin-left:auto;background:#d6f2e3;border-color:#d6f2e3;border-radius:7px 7px 2px 7px}.chat-delivered{display:block;text-align:right;font-size:7px;color:#99b0b6;margin-top:5px}.phone-nav{position:absolute;bottom:14px;left:0;right:0;background:#fff;border-top:1px solid #edf2f4;display:flex;justify-content:space-around;padding-top:8px;height:48px;font-size:8px;color:#a2b0b9}.phone-nav>span{display:flex;flex-direction:column;align-items:center;gap:3px}.phone-nav svg{width:19px;height:19px;stroke-width:1.5}.phone-nav .phone-nav-active{color:#178ac4}.nav-me i{position:relative;width:19px;height:19px}.nav-me i:before{content:"";position:absolute;width:6px;height:6px;top:1px;left:6px;border:1px solid;border-radius:50%}.nav-me i:after{content:"";position:absolute;bottom:0;left:3px;width:12px;height:7px;border:1px solid;border-radius:8px 8px 2px 2px}.home-indicator{position:absolute;bottom:4px;left:50%;transform:translateX(-50%);height:4px;width:78px;background:#243846;border-radius:3px}
.floating-message{position:absolute;z-index:2;left:-8px;top:119px;display:flex;align-items:center;gap:11px;padding:15px 14px;background:#ffffffec;border:1px solid #ffffffbd;color:#2d5265;border-radius:14px;box-shadow:0 12px 35px #086d8e24;transform:rotate(-4deg)}.message-symbol{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:#e7f6f0;color:#35ae7c}.message-symbol svg{width:22px;height:22px}.floating-message strong{display:block;font-size:12px;font-weight:650}.floating-message small{display:block;color:#91a5af;font-size:10px;margin-top:6px}.sent-check{margin-left:2px;color:#46b688;font-size:15px}.floating-brand{display:flex;align-items:center;gap:11px;position:absolute;z-index:2;right:-15px;bottom:88px;padding:14px 20px 14px 14px;color:#335c6e;border:1px solid #fff9;background:#fffefb;border-radius:16px;box-shadow:0 14px 30px #087f9226;transform:rotate(-5deg)}.floating-brand img{border-radius:11px}.floating-brand strong{font-size:14px;font-weight:700;letter-spacing:1px;display:block}.floating-brand small{display:block;font-size:10px;color:#91a4b0;margin-top:5px}.app-preview figcaption{position:absolute;bottom:-3px;left:50%;font-size:10px;letter-spacing:1px;color:#e1f7fb}.hero-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #ffffff29;padding-block:20px 23px;font-size:11px;letter-spacing:2px;color:#d5f2fa}.hero-bottom a{display:flex;align-items:center;gap:14px;letter-spacing:1px}.hero-bottom a span{font-size:19px;line-height:1}
.about-section{padding-block:76px 70px;text-align:center}.section-eyebrow{font-size:10px;letter-spacing:2px;font-weight:650;color:#269bc7;margin:0 0 15px}.about-section h2{font-size:29px;letter-spacing:-.6px;font-weight:650;margin:0}.section-description{color:#84949f;font-size:13px;line-height:1.8;margin:17px 0 0}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:43px}.feature{padding:12px 20px 10px}.feature+.feature{border-left:1px solid #edf1f4}.feature-icon{width:54px;height:54px;border-radius:17px;display:inline-grid;place-items:center;margin-bottom:14px}.feature-icon svg{width:27px;height:27px;stroke-width:1.5}.feature-icon.blue{background:#edf5ff;color:#5899df}.feature-icon.green{background:#e9f8ef;color:#55b684}.feature-icon.cyan{background:#eaf7fa;color:#49a6bd}.feature h3{margin:0 0 10px;font-size:16px;font-weight:650}.feature p{margin:0;color:#86959f;font-size:12px;line-height:1.9}.site-footer{display:flex;align-items:center;gap:20px;padding-block:23px;border-top:1px solid #edf1f4;font-size:11px;color:#97a5ad}.site-footer>span{display:flex;align-items:center;gap:9px;color:#466474;font-weight:600;font-size:13px}.site-footer>span img{border-radius:6px}.site-footer p{margin:0}.site-footer>a{display:flex;align-items:center;gap:8px;margin-left:auto;color:#598294}.site-footer svg{width:16px;height:16px}
@media(min-width:1500px){.hero-content{min-height:720px}.app-preview{transform:scale(1.04)}}
@media(max-width:1000px){.container{width:calc(100% - 56px)}.hero-content{gap:8px;min-height:610px}.hero h1{font-size:43px}.intro{font-size:15px}.download-buttons{gap:10px}.download-button{padding:14px 12px;gap:8px}.download-button strong{font-size:14px}.button-arrow{display:none}.app-preview{transform:scale(.87);transform-origin:center right;margin-left:-35px;margin-right:-10px}.floating-message{left:-24px}.floating-brand{right:8px}.hero-copy{position:relative;z-index:3}}
@media(max-width:720px){.container{width:calc(100% - 40px)}.site-header{padding-top:23px}.brand{gap:10px}.brand img{height:44px;width:44px;border-radius:11px}.brand strong{font-size:23px;letter-spacing:1px}.brand small{font-size:9px;letter-spacing:1.5px}.header-download{font-size:11px;padding:9px 12px;gap:7px}.header-download svg{width:14px;height:14px}.hero-content{display:flex;flex-direction:column;align-items:stretch;gap:12px;min-height:0;padding-top:52px;padding-bottom:18px}.hero-copy{padding:0}.eyebrow{font-size:10px;letter-spacing:1.5px;margin-bottom:17px}.hero h1{font-size:43px;letter-spacing:-1.4px;line-height:1.32}.intro{font-size:14px;line-height:1.9;margin:19px 0 27px;letter-spacing:.1px}.download-buttons{gap:12px;max-width:none}.download-button{padding:14px 13px;gap:10px;border-radius:9px}.platform-icon{width:24px;height:24px}.download-button strong{font-size:15px}.download-button small{font-size:10px;margin-top:5px}.download-note{font-size:11px;min-height:33px;padding-top:10px}.platform-note{font-size:10px;margin-top:13px;gap:6px}.app-preview{height:485px;transform:none;margin:20px -5px 0}.phone{top:15px;width:241px;height:495px;margin-left:-109px;border-width:7px;border-radius:36px;transform:rotate(5deg) scale(.93);transform-origin:top center}.phone-heading{padding-inline:12px;gap:8px}.phone-heading strong{font-size:15px}.phone-heading img{width:32px;height:32px}.phone-tabs{height:39px;padding-top:9px}.conversation{height:60px;padding:8px 10px;gap:8px}.avatar{width:35px;height:35px;border-radius:10px}.conversation-text strong{font-size:10px}.conversation-text small{font-size:8px}.conversation-meta{font-size:7px}.chat-card{padding:12px 10px}.chat-card-title{margin-bottom:10px}.chat-bubble{padding:7px 8px;font-size:8px}.phone-nav{bottom:13px}.floating-message{top:116px;left:-7px;padding:11px 10px;gap:8px;transform:rotate(-4deg) scale(.88);transform-origin:left center}.floating-message strong{font-size:10px}.floating-message small{font-size:9px}.message-symbol{width:31px;height:31px}.floating-brand{bottom:83px;right:-5px;padding:11px 13px 11px 11px;gap:8px;transform:rotate(-5deg) scale(.88);transform-origin:right center}.floating-brand img{width:37px;height:37px;border-radius:9px}.floating-brand strong{font-size:12px}.floating-brand small{font-size:9px}.preview-ring{inset:60px 0 0;width:340px;height:340px;max-width:100%}.ring-two{inset:99px 0 0;width:265px;height:265px}.app-preview figcaption{bottom:-6px;left:47%;font-size:9px}.hero-bottom{padding-block:17px 20px;font-size:9px;letter-spacing:1px}.hero-bottom a{gap:8px;font-size:10px}.about-section{padding-block:48px 40px}.about-section h2{font-size:24px;letter-spacing:-.7px}.section-description{font-size:11px;max-width:290px;margin:13px auto 0}.features{grid-template-columns:1fr;gap:0;margin-top:24px;text-align:left}.feature{position:relative;min-height:105px;padding:21px 0 20px 74px}.feature+.feature{border-left:0;border-top:1px solid #edf1f4}.feature-icon{position:absolute;left:2px;top:25px;width:49px;height:49px;border-radius:15px}.feature h3{font-size:15px;margin-bottom:7px}.feature p{font-size:11px;line-height:1.8}.feature p br{display:none}.site-footer{padding-block:20px;gap:10px;font-size:9px}.site-footer>span{font-size:12px;gap:6px}.site-footer>span img{width:22px;height:22px}.site-footer>a{gap:5px}.site-footer>a svg{width:13px;height:13px}}
@media(max-width:380px){.container{width:calc(100% - 32px)}.hero h1{font-size:39px}.download-button{padding:13px 11px;gap:8px}.download-button strong{font-size:14px}.download-button small{font-size:9px}.platform-icon{width:22px;height:22px}.platform-icon.apple{width:22px;height:22px}.app-preview{margin-inline:-5px}.floating-message{left:0;transform:rotate(-4deg) scale(.81)}.floating-brand{right:0;transform:rotate(-5deg) scale(.82)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a{transition:none}}