:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#293e37;background:#faf7ef;color-scheme:light;font-size:15px;--ink:#293e37;--green:#3e5948;--muted:#5b675c;--line:#dce0cf;--accent:#a0503d;--surface:#fffdf8;scrollbar-color:#b9c5af #faf7ef}
*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit;text-underline-offset:5px}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}::selection{background:#f3dacf}.skip{position:absolute;top:-100px;left:20px;z-index:30;background:white;padding:15px}.skip:focus{top:10px}
.site-header{max-width:1440px;margin:auto;min-height:100px;padding:22px 5vw;display:flex;align-items:center;gap:28px}.brand{font-size:24px;font-weight:650;text-decoration:none;white-space:nowrap}.brand span{font-size:17px;letter-spacing:.04em;color:#596e55}.brand small{font-size:11px;display:block;font-weight:400;letter-spacing:.1em;margin-top:5px}.site-header nav{display:flex;gap:26px;margin-left:auto;font-size:14px}.site-header nav a{text-decoration:none}.site-header nav a:hover{text-decoration:underline}
.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:24px;border:1px solid #b9c5af;border-radius:12px;padding:13px 20px;background:var(--surface);text-decoration:none;font-weight:550;line-height:1.5}.button:hover{background:#edf0e4}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#324b3c}.small,.detail{font-size:12px;line-height:1.8;color:var(--muted)}main{max-width:1440px;margin:auto}
.hero{display:grid;grid-template-columns:.85fr 1.35fr;gap:24px;align-items:center;padding:25px 5vw 64px}.hero-copy{position:relative;z-index:1;padding:20px 0}.hero h1{font-size:clamp(36px,3.9vw,56px);line-height:1.28;letter-spacing:-.035em;font-weight:650;margin:0 0 26px}.hero h1 em{font-style:normal;color:var(--accent)}.lead{font-size:16px;line-height:1.95;color:#52614f;margin:0 0 26px;max-width:29ch}.hero-copy .button{padding:16px 24px}.hero-copy .small{margin-top:19px;font-size:11px}
.demo{position:relative;min-width:0;scroll-margin-top:20px;background:#f3e4da;border-radius:16px;overflow:hidden}.demo-heading{position:absolute;z-index:1;top:22px;left:26px;right:26px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px}.demo-heading>span{padding-top:10px;color:#684c3e}.view-button{border:1px solid #b59a8c;background:var(--surface);border-radius:20px;min-height:40px;padding:8px 14px;font-size:12px}.view-button:hover{background:#f3dacf}.demo canvas{display:block;width:100%;height:520px}.demo-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 24px;padding:20px 0;border-top:1px solid #cdb7aa}.demo-state{display:flex;flex-direction:column;gap:7px}.sample{font-size:11px;color:#684c3e}#demoStep{font-size:17px;font-weight:600}.demo-controls{display:flex;gap:6px;flex-shrink:0}.demo-controls button{min-height:44px;background:var(--surface);border:0;padding:10px 14px;border-radius:10px;font-size:12px}.demo-controls button:first-child{background:var(--green);color:white}.demo-controls button:hover{filter:brightness(.95)}#demoFallback{padding:130px 30px;line-height:1.8}
h2{font-size:clamp(28px,3.1vw,44px);line-height:1.45;letter-spacing:-.025em;font-weight:600;margin:0 0 26px;text-wrap:balance}h2 em{font-style:normal;color:var(--accent)}.explain{padding:68px 5vw 82px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.1fr 1fr;gap:80px}.explain-heading>p{font-size:17px;line-height:1.9;margin:0;color:var(--muted)}.explain-body{padding-top:8px;display:grid;gap:24px;align-content:center}.explain-body p{line-height:1.95;margin:0;max-width:38ch}.explain-body strong{font-weight:600}.client-note{font-size:13px;color:var(--muted)}
.delivery{display:grid;grid-template-columns:.95fr 1.1fr;gap:70px;align-items:center;background:#e5ecd9;padding:80px 5vw;scroll-margin-top:20px}.delivery-copy>p:not(.small){line-height:1.95;max-width:36ch}.delivery ul{list-style:none;padding:0;line-height:1.8;font-size:13px;margin:26px 0}.delivery li{padding:10px 0;border-bottom:1px solid #c5cfb9}.delivery li:last-child{border:0}.delivery .small{max-width:36ch}.flow-paper{margin:0;transform:rotate(2deg);max-width:560px;justify-self:center;width:100%;background:var(--surface);padding:20px;box-shadow:0 20px 36px #344f4220;border-radius:4px}.paper-tag{font-size:12px;padding:0 0 15px;color:#5b675c;display:flex;justify-content:space-between;align-items:center;gap:10px}.paper-tag a{background:transparent;border:0;text-decoration:underline;text-underline-offset:4px;min-height:44px;font-size:12px;padding:8px 0}#flowExample{display:block;height:390px;overflow:hidden;background:#f2f3f3}#flowExample img{width:100%;max-width:none;height:auto;display:block;margin:0}.flow-paper figcaption{font-size:11px;line-height:1.7;margin:18px 0 0;color:var(--muted)}
.communication{padding:90px 8vw}.communication-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:46px}.communication article{border-top:1px solid #b9c5af;padding-top:28px}.feature-icon{width:44px;height:44px;color:var(--accent)}.communication h3{font-size:24px;font-weight:600;margin:16px 0}.communication p{line-height:1.95;max-width:41ch}.communication .launch-note{max-width:none;font-size:12px;color:var(--muted);margin-top:32px}.closing{margin:0 5vw 64px;background:var(--green);color:var(--surface);border-radius:16px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:30px}.closing h2{font-size:30px;margin:0 0 12px}.closing p{font-size:14px;line-height:1.8;margin:0;max-width:42ch;color:#e5ecd9}.closing .button{flex-shrink:0;background:var(--surface);color:var(--ink);border:0}footer{padding:20px 5vw 36px;max-width:1440px;margin:auto}footer p{font-size:13px;color:var(--muted)}footer small{font-size:11px;color:var(--muted)}
.account-menu{position:relative;font-size:14px}.account-menu summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:8px;max-width:180px}.account-menu summary::after{content:'⌄'}.account-menu summary span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-menu>div{position:absolute;z-index:20;right:0;top:50px;min-width:180px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px #344f4220;display:grid}.account-menu a,.account-menu button{font-size:14px;text-align:left;min-height:44px;padding:12px;border:0;background:transparent;text-decoration:none;border-radius:6px}.account-menu a:hover,.account-menu button:hover{background:#eef1e5}.account-menu img{width:28px;height:28px;border-radius:50%;object-fit:cover}button:disabled{opacity:.65;cursor:default}
@media(min-width:1200px){.hero h1 em br{display:none}.hero{grid-template-columns:1fr 1.3fr}.hero h1{font-size:48px}.demo canvas{height:560px}}
@media(max-width:1050px){.hero{gap:22px;grid-template-columns:.8fr 1.2fr}.hero h1{font-size:40px}.demo canvas{height:460px}.demo-caption{margin:0 18px;gap:8px;flex-wrap:wrap}.demo-heading{left:22px;right:22px}.demo-heading>span{font-size:11px}.site-header{gap:18px}.site-header nav{gap:16px}.explain{gap:45px}.delivery{gap:40px;padding:65px 5vw}.communication{padding:65px 5vw}.communication-grid{gap:35px}.closing{padding:32px}.closing .button{max-width:230px}.lead{font-size:15px}#flowExample{height:340px}}
@media(max-width:740px){.site-header{padding:18px 5vw;min-height:80px;gap:12px;flex-wrap:wrap}.brand{font-size:21px}.brand small{font-size:10px}.site-header nav{display:none}.site-header>.button{margin-left:auto;font-size:13px;padding:10px 14px}.account-menu{margin-left:auto}.hero{grid-template-columns:1fr;padding-top:10px;padding-bottom:40px;gap:24px}.hero-copy{padding:12px 0 0}.hero h1{font-size:clamp(32px,8.5vw,48px);line-height:1.35;margin-bottom:20px}.hero h1 em br{display:none}.lead{font-size:15px;margin:0 0 22px;max-width:none}.hero-copy .small{margin-bottom:0}.demo canvas{height:380px}.demo-heading{top:14px;left:18px;right:18px}.demo-heading>span{max-width:8em}.demo-caption{margin:0 18px;padding:18px 0;gap:14px}#demoStep{font-size:16px}.demo-controls button{font-size:12px;padding:10px 12px}.explain{grid-template-columns:1fr;padding:40px 6vw;gap:25px}h2{font-size:28px}.explain-heading>p{font-size:15px}.explain-body{gap:20px;padding:0}.delivery{grid-template-columns:1fr;padding:40px 6vw;gap:30px}.flow-paper{max-width:450px;transform:none;padding:14px}#flowExample{height:340px}#flowExample img{width:100%;margin:0}.paper-tag{font-size:11px}.communication{padding:45px 6vw}.communication-grid{grid-template-columns:1fr;margin-top:24px;gap:30px}.communication article{padding-top:22px}.closing{display:block;padding:28px 24px;margin-bottom:30px}.closing .button{margin-top:24px;max-width:none}.closing h2{font-size:25px}.communication h3{font-size:22px}footer{padding-bottom:24px}}
.video-delivery{display:grid;grid-template-columns:1fr 1.15fr;align-items:center;gap:48px;margin:0 5vw;padding:56px 0;border-bottom:1px solid var(--line)}.video-delivery h2{font-size:clamp(26px,2.6vw,36px);margin-bottom:18px}.video-delivery p{line-height:1.9;max-width:38ch}.video-facts{font-size:13px;color:var(--muted);margin:20px 0}.video-delivery figure{min-width:0;margin:0}.video-delivery video{display:block;width:100%;aspect-ratio:16/9;background:#eeebe3;border-radius:12px}.video-delivery figcaption{margin-top:12px;line-height:1.7;font-size:12px;color:var(--muted)}.video-delivery .small{margin-bottom:0}@media(max-width:740px){.video-delivery{grid-template-columns:1fr;gap:24px;margin:0 6vw;padding:36px 0}.video-delivery h2{font-size:28px}}
@media(prefers-reduced-motion:no-preference){.button,.view-button{transition:background .15s ease-out}}