@charset "UTF-8";
.scope-demo .scope-row{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);align-items:center;gap:16px;padding:20px;background:#edf1e8;border:1px solid #dfe2d9;border-radius:12px;margin-bottom:12px;font-size:16px;line-height:1.8;color:#254d3d}.scope-row>div{padding:14px;background:#fff;border-radius:8px}.scope-row>div strong,.scope-row>div span{display:block}.scope-row>div span{font-size:15px;color:#5b6b54}.scope-row>span{text-align:center;font-size:22px}@media(max-width:520px){.scope-demo .scope-row{gap:8px;padding:12px;grid-template-columns:minmax(0,1fr) 18px minmax(0,1fr)}.scope-row>div{padding:10px}}
:root{--paper:#f7f7f2;--white:#fff;--ink:#202b26;--muted:#6a726c;--line:#dfe2d9;--green:#254d3d;--green-dark:#193d2f;--pale:#edf1e8;--navy:#1f332a;--blue:var(--green);--blue-dark:var(--green-dark);--radius:16px;--shadow:0 20px 60px #20352b09;--font:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--text-secondary:#5d6b53;--text-body:18px;--text-prose:18px;--text-ui:16px;--text-small:15px;--text-meta:14px;--text-chat:16px;--text-code:16px;--text-amount:20px;--touch-target:44px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:112px}html.dialog-is-open{overflow:hidden}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:var(--text-body);line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}img,svg{max-width:100%}img{display:block;height:auto}[hidden]{display:none!important}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8aaa91;outline-offset:5px}::selection{background:#d7e6cc}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-weight:650;line-height:1.3;letter-spacing:-.035em}h1{font-size:clamp(38px,4.8vw,64px)}h2{font-size:clamp(30px,3.1vw,44px)}h3{font-size:22px}p+p{margin-top:16px}code{font-family:Consolas,"SFMono-Regular",monospace;font-size:1em}button:disabled{cursor:default}.container{min-width:0;width:min(1320px,calc(100% - 96px));margin-inline:auto}.section{padding-block:104px}.section-white{background:var(--white)}.section-soft{background:#f0f2ec}.muted{color:var(--muted)}.eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:23px;font-size:var(--text-meta);font-weight:650;line-height:1.5;letter-spacing:.08em;color:var(--green)}.eyebrow-dot,.demo-label-dot{width:6px;height:6px;background:#477557;border-radius:50%;flex:none}.tag{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;background:var(--pale);border:1px solid #e0e6d9;border-radius:5px;color:#52614e;font-size:var(--text-meta);line-height:1.5}.icon{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.actions{min-width:0;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.button,.btn{max-width:100%;text-align:center;white-space:normal;display:inline-flex;justify-content:center;align-items:center;gap:13px;min-height:50px;padding:13px 24px;border:1px solid transparent;border-radius:6px;font-size:var(--text-ui);line-height:1.5;font-weight:650;transition:background .18s,border-color .18s,transform .18s}.button .icon,.btn .icon{width:18px;height:18px}.button-primary,.btn-primary{background:var(--green);border-color:var(--green);color:#fff}.button-primary:hover,.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark)}.button-secondary,.btn:not(.btn-primary){background:transparent;border-color:#cbd1c5;color:var(--ink)}.button-secondary:hover,.btn:not(.btn-primary):hover{background:#eef0e9;border-color:#aebaa6}.button-light{background:#f5f4ea;color:var(--green)}.button-light:hover{background:#e5ebdb}.button-dark-outline{border-color:#ffffff40;background:transparent;color:#f5f4ea}.button-dark-outline:hover{background:#ffffff0d}.button-ghost{background:transparent;color:var(--green);padding-inline:0}.button-block{width:100%}.text-link{min-height:var(--touch-target);max-width:100%;display:inline-flex;align-items:center;gap:13px;font-size:var(--text-ui);font-weight:650;color:var(--green)}.text-link .icon{width:19px;height:19px;transition:transform .18s}.text-link:hover .icon{transform:translateX(3px)}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:48px;margin-bottom:48px}.section-heading h2{max-width:720px}.section-heading p{font-size:var(--text-ui);color:var(--muted);max-width:380px;line-height:1.9}.section-heading>.text-link{padding-bottom:5px}.skip-link{position:fixed;top:-90px;left:20px;z-index:1000;padding:12px 20px;background:var(--white);border:1px solid var(--line);border-radius:6px}.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:50;background:#f7f7f2f5;backdrop-filter:blur(14px);border-bottom:1px solid #dfe2d9b0}.header-inner{height:88px;display:flex;justify-content:space-between;align-items:center;gap:32px}.brand{min-height:var(--touch-target);display:inline-flex;align-items:center;gap:11px;flex:none;font-size:20px;font-weight:700;letter-spacing:-.035em}.brand svg{width:38px;height:38px}.brand small{font-family:"Segoe UI",sans-serif;margin-left:7px;font-size:var(--text-small);font-weight:750;letter-spacing:.01em;color:var(--green)}.site-nav{display:flex;align-items:center;gap:29px;margin-left:auto}.site-nav a{min-height:var(--touch-target);display:flex;align-items:center;font-size:var(--text-ui);color:#59635b;font-weight:550;white-space:nowrap;padding-block:8px}.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--green)}.site-nav .nav-download{color:#fff;background:var(--green);padding:10px 19px;border-radius:5px;margin-left:5px}.site-nav .nav-download:hover{background:var(--green-dark)}.menu-toggle{display:none;align-items:center;justify-content:center;width:var(--touch-target);height:var(--touch-target);padding:8px;background:none;border:1px solid var(--line);border-radius:5px;color:var(--green)}
.home-hero{position:relative;overflow:hidden;padding:68px 0 0}.hero-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:60px;align-items:center}.hero-copy{min-width:0;padding-bottom:16px}.hero-copy .eyebrow{margin-bottom:28px}.hero-copy h1{font-size:clamp(45px,4.85vw,68px);line-height:1.35;letter-spacing:-.055em;font-weight:650}.hero-copy h1>span{color:var(--green)}.hero-copy .lead{font-size:var(--text-body);line-height:1.95;color:var(--muted);margin:26px 0 32px;max-width:520px}.hero-copy .actions{gap:12px}.hero-facts{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:#7d847b;font-size:var(--text-meta);margin-top:20px}.hero-facts>span{display:inline-flex;align-items:center;gap:6px}.hero-facts .icon{width:15px;height:15px}.hero-facts>span+span{padding-left:18px;border-left:1px solid #d3d8cd}.hero-price{margin-top:35px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:var(--text-meta);color:#7b8277}.hero-price>a{min-height:var(--touch-target);max-width:100%;display:flex;flex-wrap:wrap;align-items:center;gap:18px}.hero-price strong{font-size:23px;font-weight:650;letter-spacing:-.045em;color:var(--ink);font-variant-numeric:tabular-nums}.hero-price small{font-size:var(--text-meta);font-weight:500;letter-spacing:0;color:var(--muted)}.price-slash{color:var(--text-secondary);font-size:20px;font-weight:300}.hero-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between;padding-block:38px 30px;font-size:var(--text-meta);letter-spacing:.04em;color:#8c9387}.hero-bottom>a{min-height:var(--touch-target);display:inline-flex;align-items:center;gap:10px;color:#687364}.hero-bottom .icon{width:15px;height:15px}
.wechat-demo{max-width:640px;justify-self:center;width:100%;margin:0;min-width:0;position:relative}.demo-label{display:flex;align-items:center;gap:8px;color:#5e6b5b;font-size:var(--text-meta);line-height:1.5;margin-bottom:14px;letter-spacing:.02em}.demo-label>span:last-child{margin-left:auto;border:1px solid #d7ddcf;border-radius:4px;padding:3px 7px;font-size:var(--text-meta);color:var(--text-secondary)}.wechat-window{overflow:hidden;border-radius:14px;background:#ededed;border:1px solid #d6d9d1;box-shadow:0 26px 50px #23453509,0 2px 5px #23453505}.wechat-heading{display:flex;align-items:center;gap:11px;min-height:76px;padding:16px 22px;background:#f6f6f4;border-bottom:1px solid #dedfd9}.group-avatar{width:37px;height:37px;background:#e7ebe1;display:grid;place-items:center;border-radius:7px;color:#708164}.group-avatar .icon{width:23px;height:23px}.wechat-heading strong{display:block;font-size:var(--text-body);line-height:1.5;font-weight:600;letter-spacing:0}.wechat-heading small{display:block;font-size:var(--text-meta);color:#939a90;line-height:1.8;margin-top:1px}.wechat-more{font-size:25px;letter-spacing:2px;color:#7c8279;line-height:1;margin-left:auto;align-self:start;padding-top:7px}.wechat-messages{position:relative;min-height:442px;padding:22px 22px 40px;display:flex;flex-direction:column;gap:16px}.chat-row{display:flex;gap:10px;align-items:start;min-width:0}.chat-row.outgoing{justify-content:flex-end}.chat-avatar{width:35px;height:35px;flex:none;border-radius:5px;display:grid;place-items:center;font-weight:600;font-size:15px;margin-top:27px}.chat-avatar.person{background:#d7c7b2;color:#6b5c4b;position:relative;overflow:hidden}.chat-avatar.person::before{content:"";position:absolute;right:-8px;bottom:-11px;width:33px;height:33px;border:1px solid #ffffff70;border-radius:50%}.chat-avatar.bot{background:var(--green);color:#eff4e8}.chat-message{min-width:0;max-width:calc(100% - 49px)}.chat-name{display:block;font-size:var(--text-meta);line-height:1.5;color:#9b9e98;margin-bottom:6px}.outgoing .chat-name{text-align:right}.chat-bubble{position:relative;padding:12px 15px;background:#fff;border-radius:5px;font-size:var(--text-chat);line-height:1.85;color:#353935;min-width:0}.outgoing .chat-bubble{background:#a8e879;color:#24381e;padding:11px 15px}.chat-bubble::before{content:"";position:absolute;left:-5px;top:13px;border-top:5px solid transparent;border-bottom:5px solid transparent;border-right:6px solid #fff}.outgoing .chat-bubble::before{left:auto;right:-5px;border-right:0;border-left:6px solid #a8e879}.chat-bubble code{font-size:var(--text-chat);letter-spacing:.01em;word-break:break-word}.receipt-title{font-size:var(--text-small);font-weight:650;line-height:1.75;display:block;letter-spacing:0}.chat-rule{height:1px;background:#e5e7e0;margin:8px 0}.receipt-formula,.receipt-note,.receipt-detail{display:block;font-size:var(--text-chat);line-height:1.9}.receipt-note{color:#858c81;font-size:var(--text-ui);margin-top:2px}.receipt-total{display:flex;flex-wrap:wrap;align-items:baseline;gap:19px;justify-content:space-between;font-size:var(--text-small);color:#6d7666}.receipt-total strong{white-space:nowrap;font-size:var(--text-amount);color:var(--green);letter-spacing:-.035em;font-weight:650;font-variant-numeric:tabular-nums}.chat-typing{position:absolute;left:23px;bottom:7px;display:flex;align-items:center;gap:4px;font-size:var(--text-meta);color:var(--text-secondary);min-height:14px}.chat-typing>span{width:3px;height:3px;background:#8e9b83;border-radius:50%;animation:typing-pulse 1.1s infinite}.chat-typing>span:nth-child(2){animation-delay:.15s}.chat-typing>span:nth-child(3){animation-delay:.3s;margin-right:4px}.demo-controls{flex-wrap:wrap;min-height:47px;background:#f6f6f4;border-top:1px solid #dde0d7;padding:10px 15px 10px 20px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:var(--text-ui);color:#889080}.demo-controls>div{display:flex;align-items:center;gap:6px;flex:none}.demo-controls button{min-width:var(--touch-target);min-height:var(--touch-target);display:inline-flex;align-items:center;justify-content:center;gap:4px;color:#65715c;border:1px solid transparent;border-radius:4px;padding:5px 7px;font-size:var(--text-ui);line-height:1.5;background:transparent}.demo-controls button:hover{background:#e9ede2;border-color:#d8e0ce}.demo-controls button[data-chat-toggle]{border-color:#d9dfd0;background:#f1f3ed}.demo-controls .icon{width:12px;height:12px}.wechat-demo figcaption{font-size:var(--text-meta);color:#9a9f94;text-align:center;margin-top:13px;line-height:1.6;letter-spacing:.03em}.wechat-demo.is-playing [data-chat-step]{opacity:0;visibility:hidden;transform:translateY(7px);transition:opacity .35s ease,transform .35s ease,visibility .35s;pointer-events:none}.wechat-demo.is-playing [data-chat-step].is-visible{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}@keyframes typing-pulse{0%,70%,100%{opacity:.35;transform:translateY(0)}35%{opacity:1;transform:translateY(-2px)}}
.principles-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f1f3ed}.principles-inner{display:grid;grid-template-columns:repeat(3,1fr);padding-block:32px}.principles-inner>div{position:relative;display:grid;grid-template-columns:45px 1fr;gap:4px 11px;padding-inline:32px;border-left:1px solid #d9dfd1}.principles-inner>div:first-child{padding-left:0;border-left:0}.principle-index{grid-row:1/3;font-family:Consolas,monospace;color:var(--text-secondary);font-size:var(--text-meta);padding-top:4px}.principles-inner strong{font-size:var(--text-body);font-weight:600;line-height:1.5;letter-spacing:-.02em}.principles-inner p{font-size:var(--text-ui);color:#7b8574;margin-top:2px;line-height:1.6}.how-section{background:#fff}.workflow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px}.workflow-step{border-top:1px solid var(--line);padding-top:23px}.workflow-number{display:block;font-family:"Segoe UI",sans-serif;font-size:var(--text-meta);line-height:1;font-weight:500;color:var(--text-secondary);margin-bottom:26px;letter-spacing:.04em}.workflow-step h3{font-size:21px;font-weight:600;margin-bottom:13px}.workflow-step p{font-size:var(--text-ui);color:var(--muted);line-height:1.9;max-width:330px}.workflow-command{display:flex;gap:7px;flex-wrap:wrap;margin-top:24px}.workflow-command code{font-size:var(--text-ui);color:var(--text-secondary);background:#f2f5ee;border:1px solid #e4e9dd;padding:5px 8px;border-radius:4px;overflow-wrap:anywhere}
.feature-editorial{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;gap:100px}.feature-copy>p{font-size:var(--text-body);color:var(--muted);line-height:1.95;max-width:490px;margin-top:23px}.feature-list{list-style:none;margin:26px 0 24px;padding:0}.feature-list li{display:flex;align-items:start;gap:20px;padding-block:17px;border-top:1px solid var(--line)}.feature-list li>span{font-family:Consolas,monospace;flex:none;width:25px;font-size:var(--text-meta);color:var(--text-secondary);padding-top:4px}.feature-list li>.icon{color:var(--green);margin-top:4px}.feature-list strong{font-size:var(--text-body);font-weight:600;line-height:1.7}.feature-list p{font-size:var(--text-ui);color:#7a8376;margin-top:4px;line-height:1.8}.record-proof{background:#fff;border:1px solid #dbe0d1;position:relative;border-radius:3px;padding:31px 35px 24px;box-shadow:10px 12px 0 -1px #eef0e7,10px 12px 0 0 #dfe3d6;min-width:0;max-width:560px;width:100%}.record-proof-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:15px;color:var(--text-secondary);font-family:"Segoe UI",sans-serif;font-size:var(--text-meta);line-height:1.4;letter-spacing:.12em;border-bottom:1px solid #e4e8dc;padding-bottom:23px}.record-proof-top>.icon{width:19px;height:19px;color:#7d8d70}.record-proof-amount{padding-block:29px 26px}.record-proof-amount small{display:block;color:#9aa090;font-size:var(--text-meta);margin-bottom:11px}.record-proof-amount strong{display:block;font-family:"Segoe UI",sans-serif;font-size:78px;line-height:1.05;font-weight:450;color:var(--green);letter-spacing:-.07em;font-variant-numeric:tabular-nums}.record-proof-amount strong span{font-size:49px;font-weight:350}.record-proof-formula{min-width:0;padding:14px 16px;background:#f3f5ee;border:1px solid #e6eadf;border-radius:4px;display:flex;justify-content:space-between;align-items:center;gap:12px}.record-proof-formula code{min-width:0;font-size:var(--text-ui);color:#526648;overflow-wrap:anywhere}.record-proof-formula span{font-size:var(--text-meta);color:#9aa48e;white-space:nowrap}.record-proof dl{margin:24px 0 18px}.record-proof dl>div{display:flex;justify-content:space-between;gap:20px;font-size:var(--text-small);padding:11px 0;border-bottom:1px solid #edf0e7}.record-proof dt{color:#a0a795}.record-proof dd{margin:0;color:#687860;text-align:right}.record-proof-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:10px;font-size:var(--text-small);color:#7f9074}.record-proof-foot>span{display:inline-flex;align-items:center;gap:5px}.record-proof-foot .icon{width:13px;height:13px}.record-proof-foot small{font-size:var(--text-small);color:#a4ab9b}
.control-section{background:var(--navy);color:#eef0e6;position:relative}.control-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:57px}.control-heading .eyebrow{color:#a3b994}.control-heading h2{font-size:clamp(36px,3.7vw,52px);font-weight:550}.control-heading>p{font-size:var(--text-ui);line-height:1.9;color:#a2af9b;margin-bottom:5px}.control-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:50px}.control-feature{border-top:1px solid #82917c40;padding-top:27px;min-width:0}.control-icon{color:#bccbaa;margin-bottom:25px}.control-icon .icon{width:29px;height:29px;stroke-width:1.4}.control-feature h3{font-size:21px;font-weight:500;color:#f0f1e7;margin-bottom:16px}.control-feature p{font-size:var(--text-ui);line-height:1.95;color:#a6b3a0;max-width:340px}.control-feature .text-link{color:#c4d5b4;margin-top:27px;font-size:var(--text-ui);font-weight:500}
.scenarios-preview{background:#fff}.scenario-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px}.scenario-links>a{position:relative;padding:24px 0 15px;border-top:1px solid var(--line)}.scenario-links>a>span{display:block;font-size:var(--text-meta);font-family:Consolas,monospace;color:var(--text-secondary);margin-bottom:20px}.scenario-links strong{display:block;font-size:21px;font-weight:600;line-height:1.5;margin-bottom:8px}.scenario-links small{display:block;font-size:var(--text-ui);color:#8d9687;padding-right:25px}.scenario-links .icon{width:18px;height:18px;position:absolute;right:0;bottom:15px;color:#85987a;transition:transform .18s}.scenario-links>a:hover .icon{transform:translateX(3px)}.scenario-links>a:hover strong{color:var(--green)}
.pricing-section{position:relative;background:#f0f2e9;border-top:1px solid #e5e9dc;border-bottom:1px solid #e5e9dc}.pricing-heading{text-align:center;margin-bottom:43px}.pricing-heading .eyebrow{justify-content:center;margin-bottom:18px}.pricing-heading h2{font-size:clamp(31px,3.2vw,44px)}.pricing-heading p{max-width:670px;font-size:var(--text-ui);color:#8a9282;line-height:1.9;margin:18px auto 0}.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:980px;margin:auto}.price-card{position:relative;min-width:0;border:1px solid #dbe1d0;border-radius:10px;padding:36px 37px 31px;background:#f9faf6}.price-card.recommended{background:#fff;border-color:#6e8660;box-shadow:0 15px 35px #48613a09}.price-title{display:flex;align-items:center;justify-content:space-between;gap:15px}.price-title h3{font-size:21px;line-height:1.5;font-weight:600}.price-title small{font-size:var(--text-meta);color:#8b967f;line-height:1.5}.price{display:flex;align-items:baseline;gap:7px;margin:28px 0 13px;color:var(--green)}.price .currency{font-size:23px;font-weight:400}.price strong{font-family:"Segoe UI",sans-serif;font-size:73px;font-weight:450;line-height:1;letter-spacing:-.07em}.price>span:last-child{font-size:var(--text-meta);color:#899581;margin-left:7px}.price-subtitle{font-size:var(--text-meta);color:#8d9784;line-height:1.8;min-height:24px}.price-card ul{list-style:none;padding:24px 0 21px;margin:22px 0 0;border-top:1px solid #e0e5d6}.price-card li{display:flex;align-items:start;gap:11px;font-size:var(--text-ui);color:#7c8a6f;padding-block:7px}.price-card li .icon{margin-top:5px;width:16px;height:16px;color:#718963;stroke-width:1.8}.price-card .button{display:flex;width:100%;margin-top:4px}.price-badge{position:absolute;right:25px;top:-12px;display:block;padding:4px 11px;background:#526c43;border:3px solid #f0f2e9;border-radius:5px;color:#fff;font-size:var(--text-meta);letter-spacing:.01em;line-height:1.5}.pricing-fineprint{color:#8f9786;font-size:var(--text-meta);line-height:1.85;max-width:980px;margin:22px auto 0;text-align:center}.agency-band{display:flex;align-items:center;justify-content:space-between;gap:45px;max-width:980px;margin:35px auto 0;border-top:1px solid #d8dfcc;padding-top:26px}.agency-band h3{font-size:var(--text-body);font-weight:600;margin-bottom:7px}.agency-band p{font-size:var(--text-ui);line-height:1.9;color:#909884;max-width:650px}.agency-band .button{min-height:var(--touch-target);padding:9px 16px;font-size:var(--text-ui);flex:none}
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#dfe7d3;padding-top:25px;margin-top:40px}.center-article{margin-inline:auto}.wide-article{max-width:1100px}.empty-state{padding:65px 30px;background:#fff;border:1px solid var(--line);border-radius:6px;text-align:center}.empty-state h2{font-size:27px;margin-bottom:15px}
.contact-dialog{width:min(640px,calc(100vw - 40px));max-height:calc(100dvh - 48px);margin:auto;padding:46px 43px 25px;overflow:auto;color:var(--ink);background:#f8f9f2;border:1px solid #d9e2ce;border-radius:15px;box-shadow:0 30px 100px #17271930}.contact-dialog::backdrop{background:#14231970;backdrop-filter:blur(5px)}.dialog-close{position:absolute;top:12px;right:12px;width:var(--touch-target);height:var(--touch-target);display:grid;place-items:center;border:1px solid #e0e6d7;border-radius:50%;background:transparent;color:#8e9c81}.dialog-close:hover{background:#eaf0e1;color:var(--green)}.dialog-heading .eyebrow{font-size:var(--text-meta);color:var(--text-secondary);margin-bottom:21px}.dialog-heading h2{font-size:32px;line-height:1.55;font-weight:550;color:#3d5530;letter-spacing:-.04em}.dialog-heading p{font-size:var(--text-ui);line-height:1.95;color:#96a287;margin-top:20px;max-width:485px}.dialog-email{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px 17px;margin:28px 0 20px;padding:20px 22px;background:#fff;border:1px solid #dfe6d5;border-radius:6px;min-width:0}.dialog-email>span{grid-column:1;font-size:var(--text-meta);color:#a7b297}.dialog-email>a{min-height:var(--touch-target);display:flex;align-items:center;grid-column:1;font-family:"Segoe UI",sans-serif;font-size:20px;font-weight:450;letter-spacing:-.035em;overflow-wrap:anywhere;color:#536d40}.dialog-email>.button{grid-column:2;grid-row:1/3;align-self:center;min-height:var(--touch-target);font-size:var(--text-ui);padding:8px 13px;white-space:nowrap}.dialog-contact-actions{display:flex;gap:10px;flex-wrap:wrap}.dialog-contact-actions .button{font-size:var(--text-ui);padding-inline:18px}.dialog-note{margin-top:25px;font-size:var(--text-meta);line-height:1.9;color:#a5b094}.dialog-copy-status{min-height:20px;color:#6c8b53;font-size:var(--text-meta);line-height:1.8;margin-top:11px}
@media(min-width:1550px){.hero-grid{gap:85px}.hero-copy h1{font-size:71px}.wechat-messages{padding:25px 28px 40px;min-height:455px;gap:17px}.chat-bubble{font-size:var(--text-chat)}.chat-bubble code{font-size:var(--text-chat)}.receipt-title,.receipt-formula,.receipt-detail{font-size:var(--text-chat)}.receipt-note{font-size:var(--text-ui)}.receipt-total{font-size:var(--text-small)}.receipt-total strong{font-size:18px}}
@media(max-width:1180px){.container{width:calc(100% - 72px)}.site-nav{gap:21px}.header-inner{gap:22px;height:80px}.hero-grid{gap:36px}.hero-copy h1{font-size:54px}.hero-copy .lead{font-size:var(--text-body)}.hero-copy .button{font-size:var(--text-ui);padding-inline:18px}.hero-price{gap:15px;font-size:var(--text-meta)}.hero-price strong{font-size:22px}.hero-facts{gap:10px;font-size:var(--text-meta)}.hero-facts>span+span{padding-left:10px}.wechat-heading{padding-inline:18px}.wechat-messages{padding-inline:17px}.receipt-total{gap:15px}.section{padding-block:86px}.feature-editorial{gap:60px}.workflow{gap:34px}.control-grid{gap:37px}.control-feature h3{font-size:19px}.scenario-links{gap:20px}.scenario-links strong{font-size:19px}.record-proof{padding-inline:28px}.record-proof-formula{flex-wrap:wrap;gap:5px}.record-proof-formula span{font-size:var(--text-meta)}.feature-detail{grid-template-columns:45px minmax(0,1fr) minmax(0,1fr);gap:26px}.page-hero.container{padding-inline:36px}.doc-layout{grid-template-columns:215px minmax(0,1fr);gap:48px}.doc-nav{padding-right:20px}.download-layout{gap:30px}.download-card{padding:34px}.requirements{padding:31px}.footer-top{gap:28px}.footer-column a{font-size:var(--text-small)}}
@media(max-width:980px){.menu-toggle{display:flex}.header-inner{height:74px}.site-nav{position:absolute;top:74px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;background:#f8f9f2;border-bottom:1px solid #dce3d0;box-shadow:0 15px 30px #1f35280c;padding:17px 36px 26px;gap:0}.site-nav.is-open{display:flex}.site-nav a{font-size:var(--text-ui);padding:13px 9px}.site-nav .nav-download{margin:14px 0 0;padding:13px 19px;text-align:center}.hero-grid{grid-template-columns:minmax(0,1fr);gap:40px}.hero-copy h1{font-size:43px}.hero-copy .eyebrow{font-size:var(--text-meta)}.hero-copy .lead{font-size:var(--text-body);line-height:1.95}.hero-copy .actions{gap:8px}.hero-copy .button{font-size:var(--text-ui);padding-inline:14px;gap:8px;min-height:46px}.hero-price{align-items:start;flex-direction:column;gap:9px;margin-top:29px}.hero-price>a{gap:14px}.hero-facts{flex-direction:column;align-items:start;gap:5px}.hero-facts>span+span{border:0;padding:0}.wechat-heading{padding:13px 16px;min-height:65px}.wechat-messages{padding:20px 14px 40px;min-height:425px;gap:16px}.chat-avatar{width:30px;height:30px;font-size:12px}.chat-row{gap:8px}.chat-bubble{padding:11px 11px;font-size:var(--text-chat)}.chat-bubble code{font-size:var(--text-chat)}.receipt-title,.receipt-formula,.receipt-detail{font-size:var(--text-chat)}.receipt-note{font-size:var(--text-ui)}.receipt-total{font-size:var(--text-small);gap:12px}.receipt-total strong{font-size:var(--text-amount)}.demo-controls{font-size:var(--text-ui);padding-inline:12px;gap:7px}.demo-controls button{font-size:var(--text-ui);padding-inline:5px}.demo-label{font-size:var(--text-meta)}.wechat-heading strong{font-size:var(--text-body)}.wechat-heading small{font-size:var(--text-meta)}.hero-bottom{padding-top:30px}.principles-inner>div{grid-template-columns:30px 1fr;padding-inline:20px;gap:4px 7px}.principles-inner strong{font-size:var(--text-body)}.principles-inner p{font-size:var(--text-ui)}.principle-index{font-size:var(--text-meta)}.feature-editorial{gap:35px}.record-proof{padding:27px 24px 21px}.record-proof-amount strong{font-size:64px}.record-proof-amount strong span{font-size:42px}.record-proof dl>div{font-size:var(--text-small);gap:12px}.record-proof-foot{font-size:var(--text-small);gap:5px}.record-proof-foot small{font-size:var(--text-small)}.control-grid{gap:26px}.control-feature h3{font-size:18px}.control-feature p{font-size:var(--text-ui)}.resource-row{gap:45px}.faq-layout{gap:45px}.download-layout{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:25px}.download-card,.requirements{padding:28px}.download-card h2{font-size:29px}.download-card .actions{flex-direction:column;align-items:stretch}.download-card .button{width:100%}.install-steps{gap:25px}.install-step h3{font-size:18px}.feature-detail{grid-template-columns:36px minmax(0,1fr);gap:23px}.feature-detail .detail-proof{grid-column:2}.command-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:minmax(0,1fr);gap:29px}.contact-card .actions{gap:8px}.contact-card .button{padding-inline:14px;font-size:var(--text-ui)}.contact-process{gap:27px}.doc-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}.doc-nav{top:104px;font-size:var(--text-small);max-height:calc(100vh - 128px)}.doc-nav a{font-size:var(--text-small)}.prose{font-size:var(--text-prose)}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 24px}.article-card h2{font-size:22px}.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}.footer-column:last-child{grid-column:2/4}.footer-column:last-child a{display:inline-block;margin:0 18px 8px 0}.closing-inner{gap:30px}.closing-inner .actions{flex-direction:column;align-items:stretch;min-width:170px}.page-hero h1{font-size:47px}}
@media(max-width:760px){:root{--text-body:16px;--text-prose:17px}.container{width:calc(100% - 40px)}.section{padding-block:66px}.header-inner{height:68px}.brand{font-size:18px;gap:9px}.brand svg{width:34px;height:34px}.brand small{font-size:var(--text-small);margin-left:5px}.site-nav{top:68px;padding-inline:20px}.home-hero{padding-top:45px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-copy{padding-bottom:0}.hero-copy .eyebrow{font-size:var(--text-meta);margin-bottom:20px}.hero-copy h1{font-size:47px;line-height:1.4}.hero-copy .lead{font-size:var(--text-body);max-width:510px;margin-block:21px 25px}.hero-copy .button{font-size:var(--text-ui);min-height:48px;padding-inline:22px;gap:10px}.hero-facts{font-size:var(--text-meta);flex-direction:row;align-items:center;gap:12px;margin-top:18px}.hero-facts>span+span{border-left:1px solid #d3d8cd;padding-left:12px}.hero-price{flex-direction:row;align-items:center;gap:18px;margin-top:23px;font-size:var(--text-meta)}.hero-price strong{font-size:22px}.hero-price small{font-size:var(--text-meta)}.wechat-demo{max-width:590px;justify-self:center}.wechat-heading{min-height:70px;padding:15px 19px}.wechat-heading strong{font-size:var(--text-body)}.wechat-heading small{font-size:var(--text-meta)}.wechat-messages{min-height:450px;padding:21px 20px 40px;gap:17px}.chat-avatar{width:34px;height:34px;font-size:14px}.chat-row{gap:10px}.chat-bubble{padding:12px 15px;font-size:var(--text-chat)}.chat-bubble code{font-size:var(--text-chat)}.receipt-title,.receipt-formula,.receipt-detail{font-size:var(--text-chat)}.receipt-note{font-size:var(--text-ui)}.receipt-total{font-size:var(--text-small);gap:19px}.receipt-total strong{font-size:var(--text-amount)}.demo-controls{font-size:var(--text-ui);padding:10px 16px}.demo-controls button{font-size:var(--text-ui);padding-inline:7px}.demo-label{font-size:var(--text-meta)}.wechat-demo figcaption{font-size:var(--text-meta)}.hero-bottom{padding-block:27px 25px;font-size:var(--text-meta)}.principles-inner{padding-block:26px;gap:15px}.principles-inner>div{padding-inline:0;border:0;display:block}.principle-index{display:block;margin-bottom:9px;padding:0;font-size:var(--text-meta)}.principles-inner strong{font-size:var(--text-body)}.principles-inner p{font-size:var(--text-ui);margin-top:6px;max-width:150px}.section-heading{align-items:start;gap:22px;margin-bottom:36px}.section-heading h2{font-size:32px}.section-heading p{font-size:var(--text-ui);max-width:230px}.section-heading>.text-link{font-size:var(--text-ui);gap:6px;flex:none;margin-top:8px}.workflow{gap:25px}.workflow-step{padding-top:20px}.workflow-number{margin-bottom:20px;font-size:var(--text-meta)}.workflow-step h3{font-size:var(--text-body)}.workflow-step p{font-size:var(--text-ui)}.workflow-command{margin-top:20px}.workflow-command code{font-size:var(--text-ui);padding:4px 6px}.feature-editorial{grid-template-columns:1fr;gap:38px}.feature-copy h2{font-size:34px}.feature-copy>p{font-size:var(--text-body);max-width:550px}.feature-list li{padding-block:16px}.feature-list strong{font-size:var(--text-body)}.feature-list p{font-size:var(--text-ui)}.record-proof{max-width:540px;justify-self:center;padding:30px 31px 24px}.record-proof-amount strong{font-size:72px}.record-proof-amount strong span{font-size:46px}.record-proof-formula{flex-wrap:nowrap}.record-proof dl>div{font-size:var(--text-small)}.record-proof-foot{font-size:var(--text-small)}.record-proof-foot small{font-size:var(--text-small)}.control-heading{gap:25px;margin-bottom:40px}.control-heading h2{font-size:40px}.control-heading>p{font-size:var(--text-ui);max-width:230px}.control-grid{gap:27px}.control-feature h3{font-size:var(--text-body)}.control-feature p{font-size:var(--text-ui);line-height:1.95}.control-feature .text-link{font-size:var(--text-ui);gap:6px}.control-feature .text-link .icon{width:15px;height:15px}.scenario-links{grid-template-columns:1fr 1fr;gap:24px 25px}.scenario-links strong{font-size:20px}.scenario-links small{font-size:var(--text-ui)}.scenario-links>a{padding-top:21px}.scenario-links>a>span{margin-bottom:13px}.pricing-grid{gap:18px}.price-card{padding:28px 26px}.price-title{display:block}.price-title h3{font-size:20px;margin-bottom:5px}.price-title small{font-size:var(--text-meta)}.price strong{font-size:66px}.price-card li{font-size:var(--text-ui);gap:8px}.price-card .button{font-size:var(--text-ui)}.agency-band{gap:25px}.agency-band p{font-size:var(--text-ui)}.resource-row{grid-template-columns:1fr;gap:30px;margin-bottom:58px}.resource-intro h2{font-size:32px}.resource-links strong{font-size:19px}.faq-layout{grid-template-columns:1fr;gap:30px;padding-top:40px}.faq-layout h2{font-size:30px}.faq-layout>div>p{font-size:var(--text-ui);margin-top:12px}.faq-list summary{font-size:var(--text-ui)}.faq-list details>p{font-size:var(--text-ui)}.closing-cta{padding-block:58px}.closing-cta h2{font-size:37px}.closing-cta p{font-size:var(--text-ui)}.site-footer{padding-top:49px}.footer-top{grid-template-columns:1fr 1fr 1fr;gap:30px 18px}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:100%;margin-top:15px}.footer-column:last-child{grid-column:auto}.footer-column:last-child a{display:block;margin:10px 0}.footer-column h4{font-size:var(--text-small)}.footer-column a{font-size:var(--text-small)}.footer-bottom{gap:20px;margin-top:32px;padding-top:22px}.footer-bottom>span:last-child{max-width:360px}.page-hero{padding:45px 0 40px}.page-hero h1{font-size:39px}.page-hero p{font-size:var(--text-body);margin-top:20px}.page-hero.container{padding-inline:20px}.breadcrumb{font-size:var(--text-meta);margin-bottom:21px}.scenario-grid{gap:35px}.scenario-card h2{font-size:23px}.scenario-card p{font-size:var(--text-body);min-height:0}.download-layout{grid-template-columns:1fr;gap:25px}.download-card{padding:32px}.requirements{padding:30px}.download-card .actions{flex-direction:row;align-items:center}.download-card .button{width:auto}.requirements dl{display:grid;grid-template-columns:1fr 1fr;gap:4px 25px}.requirements dt{margin-top:0}.requirements dd{margin-bottom:23px;grid-column:2;margin-top:0;font-size:var(--text-ui)}.requirements .warning{margin-top:9px}.install-steps{grid-template-columns:1fr 1fr;gap:30px}.install-step p{font-size:var(--text-ui)}.contact-grid{grid-template-columns:1fr;gap:27px}.contact-email{font-size:30px}.contact-channel{margin-bottom:25px}.contact-card{padding-block:27px}.contact-process{gap:23px}.contact-process h3{font-size:18px}.contact-process p{font-size:var(--text-ui)}.doc-layout{display:flex;flex-direction:column;gap:36px;padding-block:35px 65px}.doc-nav{position:static;max-height:none;overflow:visible;width:100%;border-right:0;border-bottom:1px solid var(--line);padding:0 0 25px}.doc-nav .toc{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.doc-nav a{font-size:var(--text-small);padding-block:7px}.doc-nav>.text-link{display:inline-flex;margin-top:15px}.article{width:100%;max-width:100%}.prose{font-size:var(--text-prose);line-height:2}.prose h2{font-size:26px}.prose h3{font-size:21px}.callout{font-size:var(--text-ui);padding:18px 21px}.prose pre{font-size:var(--text-code);padding:20px}.article-grid{gap:32px 24px}.article-card h2{font-size:21px}.article-card p{font-size:var(--text-ui)}.article-card .eyebrow{font-size:var(--text-meta)}.contact-dialog{width:min(590px,calc(100vw - 36px));padding:40px 31px 23px}.dialog-heading h2{font-size:30px}}
@media(max-width:520px){.hero-copy .actions>.button{flex:1 1 180px}.hero-price>a{min-height:var(--touch-target)}.demo-controls>span{flex:1 1 180px}.receipt-total{gap:4px 12px}.site-nav .nav-download{justify-content:center}.footer-column:last-child a{min-height:var(--touch-target)}.container{width:calc(100% - 36px)}.home-hero{padding-top:38px}.hero-copy h1{font-size:41px;letter-spacing:-.065em}.hero-copy .lead{font-size:var(--text-body);line-height:2;margin-block:19px 24px}.hero-copy .button{font-size:var(--text-ui);padding-inline:18px;gap:9px}.hero-grid{gap:29px}.hero-facts{font-size:var(--text-meta);gap:10px}.hero-facts>span+span{padding-left:10px}.hero-price{gap:14px;font-size:var(--text-meta)}.hero-price>a{gap:13px}.hero-price strong{font-size:22px}.hero-price small{font-size:var(--text-meta)}.hero-bottom>span{font-size:var(--text-meta)}.hero-bottom>a{font-size:var(--text-meta)}.demo-label{font-size:var(--text-meta);margin-bottom:12px}.demo-label>span:last-child{font-size:var(--text-meta)}.wechat-window{border-radius:11px}.wechat-heading{padding:14px 16px;min-height:65px}.group-avatar{width:32px;height:32px}.group-avatar .icon{width:21px;height:21px}.wechat-heading strong{font-size:var(--text-body)}.wechat-heading small{font-size:var(--text-meta)}.wechat-messages{min-height:420px;padding:17px 14px 40px;gap:16px}.chat-avatar{width:30px;height:30px;font-size:12px;margin-top:27px}.chat-row{gap:9px}.chat-message{max-width:calc(100% - 42px)}.chat-bubble{padding:11px 12px;font-size:var(--text-chat)}.chat-bubble code{font-size:var(--text-chat)}.chat-name{font-size:var(--text-meta);margin-bottom:6px}.receipt-title,.receipt-formula,.receipt-detail{font-size:var(--text-chat)}.receipt-note{font-size:var(--text-ui)}.chat-rule{margin:7px 0}.receipt-total{font-size:var(--text-small);gap:16px}.receipt-total strong{font-size:var(--text-amount)}.demo-controls{padding:10px 10px 10px 13px;font-size:var(--text-ui);gap:5px;min-height:44px}.demo-controls>div{gap:6px}.demo-controls button{font-size:var(--text-ui);min-height:var(--touch-target);padding:4px 5px}.wechat-demo figcaption{font-size:var(--text-meta);margin-top:11px}.chat-typing{left:16px;font-size:var(--text-meta)}.principles-inner{grid-template-columns:minmax(0,1fr);gap:20px;padding-block:26px}.principles-inner>div{display:grid;grid-template-columns:32px minmax(0,1fr);gap:2px 12px}.principle-index{grid-row:1/3;margin:0;padding-top:5px}.principles-inner p{max-width:none}.principles-inner strong{font-size:var(--text-body)}.principles-inner p{font-size:var(--text-ui);line-height:1.8}.section{padding-block:55px}.eyebrow{font-size:var(--text-meta);margin-bottom:18px}.section-heading{display:block;margin-bottom:29px}.section-heading h2{font-size:29px}.section-heading 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