:root {
  --brand:#0b1b33; --brand-raised:#17334a; --text:#172b40; --muted:#536477;
  --on-dark:#c7d4df; --action:#087f5b; --action-hover:#066749; --action-pressed:#05523c;
  --on-action:#fff; --canvas:#f5f7f9; --surface:#fff; --line:#dbe2e8;
  --control-line:#7a8795; --soft-green:#edf6f1; --tech:#087452; --link:#086846; --danger:#b42318;
  --font:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;
  --page:1240px; --header:84px; --radius:12px; --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 24px);scrollbar-gutter:stable}
body{margin:0;background:var(--surface);color:var(--text);font:16px/1.85 var(--font);-webkit-font-smoothing:antialiased}
button,select{font:inherit}button,a,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button{cursor:pointer;color:inherit;background:none;border:0}a{color:inherit;text-decoration:none}
button,a,select{transition:background-color .16s,border-color .16s,color .16s,box-shadow .16s}
svg{display:block;flex-shrink:0;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}
h2{font-size:36px;line-height:1.5;font-weight:500;letter-spacing:0}
h3{font-size:20px;line-height:1.6;font-weight:600}p{color:var(--muted)}ul{padding:0;margin:0;list-style:none}
a:focus-visible,button:focus-visible,select:focus-visible,[tabindex="-1"]:focus-visible{outline:3px solid #0959cc;outline-offset:4px}
.dark :focus-visible,.hero-stage :focus-visible{outline-color:#fff}[hidden]{display:none!important}
.container{width:min(var(--page),calc(100% - 96px));margin-inline:auto}
.section{padding:100px 0;scroll-margin-top:16px}.section-soft{background:var(--canvas)}.section-white{background:var(--surface)}
.section-label{display:flex;align-items:center;gap:10px;color:var(--tech);font-size:14px;font-weight:500;margin-bottom:14px;letter-spacing:.08em}
.section-label:before{content:"";width:18px;height:2px;background:currentColor}
.section-head{display:block;max-width:850px;margin-bottom:44px}
.section-head>p{font-size:16px;line-height:1.95;max-width:820px;margin-top:20px}
.section-head.center{text-align:center;margin-inline:auto;max-width:850px}
.section-head.center>p{margin:20px auto 0}.heading-note{font-weight:400;font-size:20px;display:block;margin-top:8px;color:var(--muted);letter-spacing:0}
.icon{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.icon-sm{width:18px;height:18px}.button{min-height:48px;padding:12px 26px;display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid transparent;border-radius:7px;font-size:15px;font-weight:500;line-height:1.5;text-align:center}
.button-primary{background:var(--action);color:var(--on-action)}.button-primary:hover{background:var(--action-hover)}.button-primary:active{background:var(--action-pressed)}
.button-secondary{border-color:var(--control-line);background:var(--surface);color:var(--text)}.button-secondary:hover{background:var(--canvas);border-color:var(--brand)}
.button-ghost{border-color:#92a5b8;color:#fff}.button-ghost:hover{background:var(--brand-raised)}
.text-link{min-height:44px;display:inline-flex;align-items:center;gap:10px;font-weight:500;font-size:15px;color:var(--link)}.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.skip-link{position:fixed;top:-100px;left:20px;padding:12px 20px;z-index:200;background:var(--brand);color:#fff}.skip-link:focus{top:12px}
.review-bar{font-size:12px;background:var(--canvas);border-bottom:1px solid var(--line);color:var(--muted)}
.review-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}.review-bar a{display:inline-flex;align-items:center;gap:6px;min-height:32px}
.review-bar a:hover{color:var(--link);text-decoration:underline}.review-label{display:flex;gap:8px;align-items:center}.review-label:before{content:"";width:5px;height:5px;background:var(--action);border-radius:50%}
.site-header{height:var(--header);position:sticky;top:0;z-index:40;background:var(--surface);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.wordmark{display:inline-flex;align-items:center;gap:10px;min-height:44px;white-space:nowrap}
.wordmark-cn{font-size:30px;font-weight:600;line-height:1.2;letter-spacing:.04em;color:var(--brand)}
.wordmark-en{display:block;font-size:10px;letter-spacing:.22em;line-height:1.3;margin-top:5px;color:var(--muted)}
.wordmark-dot{width:6px;height:6px;border-radius:50%;background:var(--action);align-self:flex-start;margin-top:7px}
.nav-panel{display:flex;align-items:center;gap:36px}.nav-panel a,.nav-panel button{display:inline-flex;align-items:center;min-height:44px;font-size:15px;color:var(--muted);padding:6px 0}
.nav-panel a:hover,.nav-panel button:hover{color:var(--action)}.nav-panel a[aria-current]{color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:12px}.header-download{padding:11px 22px;min-height:44px;font-size:14px}
.menu-toggle{display:none;align-items:center;justify-content:center;border:1px solid var(--control-line);border-radius:7px;width:44px;height:44px}
.hero{background:#fff;position:relative;overflow:hidden}
.hero-inner{display:block;padding-top:76px;padding-bottom:48px;text-align:center}
.hero-copy{max-width:1100px;margin-inline:auto}.hero-kicker{font-size:14px;letter-spacing:.12em;color:var(--tech);margin-bottom:22px}
h1{font-size:clamp(38px,4vw,58px);font-weight:500;line-height:1.45;letter-spacing:0;color:var(--brand)}
.hero-description{font-size:18px;line-height:1.9;max-width:710px;margin:22px auto 0;color:var(--muted)}
.hero-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin:30px 0 24px}.hero-buttons .button{min-width:164px}
.hero-platforms{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 24px;font-size:13px;color:var(--muted)}.hero-platforms span{display:flex;align-items:center;gap:7px}.hero-platforms .icon{width:16px;height:16px}
.hero-stage{position:relative;display:grid;grid-template-columns:4fr 7fr;align-items:center;gap:56px;text-align:left;margin-top:48px;padding:44px 48px;background:var(--brand);border-radius:16px;isolation:isolate;overflow:hidden;min-width:0}
.hero-stage:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 12% 90%,#1a655d45,transparent 63%);z-index:-1;pointer-events:none}
.hero-orbit{position:absolute;max-width:none;width:620px;height:620px;left:-210px;top:calc(50% - 310px);opacity:.2;pointer-events:none;z-index:-1}
.showcase-copy{position:relative;color:#fff}.showcase-label{color:#9ec9b8;font-size:11px;letter-spacing:.16em;margin-bottom:18px}.showcase-title{font-size:32px;line-height:1.6;font-weight:400;color:#fff}
.showcase-description{margin-top:20px;color:var(--on-dark);font-size:14px;line-height:1.9;max-width:290px}
.showcase-divider{width:36px;height:2px;background:#52c99c;margin-top:28px}.showcase-foot{font-size:11px;color:var(--on-dark);margin-top:18px}
.mock-client{position:relative;background:#fff;border:1px solid #e3e9ed;border-radius:10px;color:var(--text);min-width:0;box-shadow:0 18px 45px #00000026}
.mock-client :focus-visible{outline-color:#0959cc}
.client-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid var(--line);line-height:1.4}
.client-name{font-size:18px;font-weight:600;color:var(--brand)}.client-window{display:flex;gap:6px}.client-window i{width:5px;height:5px;background:#a8b6c2;border-radius:50%}
.client-body{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:32px 26px;min-width:0}
.client-main{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;text-align:center}
.client-caption{font-size:12px;color:var(--muted);margin-bottom:18px;line-height:1.5}
.power-button{width:76px;height:76px;display:flex;align-items:center;justify-content:center;border:1px solid #9ac9b7;border-radius:50%;background:var(--soft-green);color:var(--action);position:relative}
.power-button:before{content:"";position:absolute;inset:-7px;border:1px solid #dcebe4;border-radius:50%;pointer-events:none}.power-button .icon{width:30px;height:30px}
.power-button:hover{background:#d9eee3}.power-button[aria-pressed=true]{background:var(--action);color:#fff;box-shadow:0 0 0 7px var(--soft-green)}
.client-state{font-size:17px;font-weight:500;line-height:1.5;margin-top:20px}.client-substate{font-size:11px;line-height:1.7;margin-top:6px;color:var(--muted)}
.client-settings{min-width:0;display:flex;flex-direction:column;justify-content:center;border-left:1px solid var(--line);padding-left:26px}
.client-settings-title{font-size:14px;color:var(--text);font-weight:500}.client-select-label{font-size:12px;color:var(--muted);margin:18px 0 6px;display:block;line-height:1.5}
.client-select{width:100%;height:44px;border:1px solid var(--control-line);border-radius:6px;padding:8px;background:#fff;color:var(--text);font-size:12px;cursor:pointer}
.client-setting-line{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted);margin-top:15px;line-height:1.7}.client-setting-line .icon{width:14px;height:14px;color:var(--action)}
.client-footer{font-size:11px;color:var(--muted);background:var(--canvas);border-top:1px solid var(--line);padding:10px 18px;line-height:1.7;text-align:center;border-radius:0 0 10px 10px}
.hero-bottom{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.hero-bottom .container{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding-block:24px}.hero-point{display:flex;align-items:center;justify-content:center;gap:12px;font-size:13px;color:var(--muted)}.hero-point strong{font-weight:500;color:var(--text)}.hero-point>.icon{width:22px;height:22px;color:var(--tech)}.hero-point+.hero-point{border-left:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px}.about-item{border-top:1px solid var(--line);padding-top:28px}
.item-number{font-size:11px;color:var(--muted);letter-spacing:.12em;margin-bottom:26px}.about-item .icon-box{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:9px;background:var(--soft-green);color:var(--tech);margin-bottom:22px}.about-item .icon-box .icon{width:25px;height:25px}
.about-item h3{font-size:20px;margin-bottom:12px}.about-item p{font-size:16px;line-height:1.95}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.tech-card{position:relative;min-height:340px;padding:36px;display:flex;flex-direction:column;justify-content:flex-end;border-radius:12px;overflow:hidden}
.tech-card-dark{background:var(--brand);color:#fff}.tech-card-light{background:#fff;border:1px solid var(--line)}.tech-card h3{position:relative;font-size:24px;margin-bottom:14px;font-weight:500}.tech-card p{position:relative;font-size:16px;line-height:1.9;max-width:470px}.tech-card-dark p{color:var(--on-dark)}
.tech-tag{position:absolute;left:36px;top:28px;font-size:11px;letter-spacing:.14em;color:var(--on-dark)}.tech-card-light .tech-tag{color:var(--muted)}.ktp-art{position:absolute;right:24px;top:12px;width:210px;height:155px;opacity:.45}.ktp-art text{font-family:Arial,sans-serif;font-size:72px;fill:#54c89c;font-weight:400;letter-spacing:0}.route-art{position:absolute;right:30px;top:24px;width:205px;height:120px;color:var(--tech);opacity:.7}
.inline-annotation{display:flex;align-items:flex-start;gap:10px;font-size:12px;color:var(--muted);margin-top:20px;line-height:1.9}.inline-annotation .icon{width:16px;height:16px;margin-top:3px}
.nodes-panel{display:grid;grid-template-columns:5fr 7fr;background:var(--brand);color:#fff;border-radius:14px;overflow:hidden;min-height:410px}
.node-copy{padding:42px 0 42px 42px;position:relative;z-index:1}.node-copy h3{font-size:28px;font-weight:400;line-height:1.55;margin-bottom:18px}.node-copy>p{font-size:15px;color:var(--on-dark);line-height:1.9;max-width:350px}
.region-picker{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 20px;max-width:380px}.region-button{min-height:44px;display:flex;align-items:center;gap:6px;border:1px solid #93a6b8;border-radius:5px;padding:8px 12px;font-size:13px;color:var(--on-dark)}.region-button[aria-pressed=true]{background:var(--action);border-color:#29b484;color:#fff}.region-button[aria-pressed=false]:hover{background:var(--brand-raised)}.region-selected{display:none}.region-button[aria-pressed=true] .region-selected{display:block}
.node-description{font-size:14px;color:var(--on-dark);line-height:1.9;max-width:370px;min-height:80px}.node-caption{font-size:11px;color:var(--on-dark);margin-top:20px}.node-visual{display:flex;align-items:center;justify-content:center;padding:24px;min-width:0;overflow:hidden}.node-globe{width:100%;height:350px;color:#7daaa7;overflow:visible}.node-pin{opacity:.4;transition:opacity .2s}.node-pin.is-active{opacity:1}.node-text{font:11px Arial,sans-serif;fill:var(--on-dark);letter-spacing:1px}
.node-small-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:32px}.node-small-grid h3{display:flex;align-items:center;gap:12px;font-size:18px}.node-small-grid h3 .icon{color:var(--tech);width:20px;height:20px}.node-small-grid p{font-size:15px;line-height:1.95;margin-top:12px}
.platform-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.platform-card{padding:32px 24px 26px;border:1px solid var(--line);border-radius:10px;background:#fff;display:flex;flex-direction:column;align-items:flex-start}
.platform-icon{width:54px;height:54px;display:flex;align-items:center;justify-content:center;background:var(--canvas);border-radius:10px;margin-bottom:24px;color:var(--brand)}.platform-icon .icon{width:28px;height:28px}
.platform-type{font-size:11px;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}.platform-card h3{font-family:Arial,var(--font);font-size:25px;font-weight:500}.platform-card p{font-size:14px;line-height:1.9;margin:12px 0 28px}.platform-card .button{width:100%;padding:10px 12px;margin-top:auto;font-size:14px}
.install-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 28px;margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:8px}.install-strip strong{font-size:16px;font-weight:500}.install-strip p{font-size:14px;margin-top:4px}.install-strip .text-link{white-space:nowrap}
.privacy-board{display:grid;grid-template-columns:4fr 8fr;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.privacy-summary{background:var(--brand);color:#fff;padding:38px 34px;display:flex;flex-direction:column;align-items:flex-start}
.privacy-summary>.icon{width:36px;height:36px;color:#74d4af;margin-bottom:28px}.privacy-summary-title{font-size:26px;font-weight:400;line-height:1.6;color:#fff}
.privacy-summary>p{font-size:14px;color:var(--on-dark);margin-top:18px;line-height:1.95}.privacy-summary .button{margin-top:auto;font-size:14px;padding:10px 18px;min-height:44px}.privacy-summary-spacer{height:28px}
.privacy-grid{display:grid;grid-template-columns:1fr 1fr;min-width:0}.privacy-item{padding:32px;min-width:0}.privacy-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.privacy-item:nth-child(odd){border-right:1px solid var(--line)}
.privacy-item>.icon{width:25px;height:25px;color:var(--tech);margin-bottom:18px}.privacy-item h3{font-size:19px;font-weight:600;line-height:1.6}.privacy-item p{font-size:15px;line-height:1.9;margin-top:12px}
.privacy-caption{grid-column:1/-1;border-top:1px solid var(--line);background:var(--canvas);padding:16px 26px;display:flex;align-items:flex-start;gap:10px;font-size:12px;color:var(--muted);line-height:1.9}.privacy-caption .icon{width:16px;height:16px;margin-top:3px}
.pricing-top{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.trial-note{display:flex;align-items:center;gap:14px;padding:16px 20px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted)}.trial-note>.icon{color:var(--tech)}.trial-note strong{display:block;font-size:14px;font-weight:500;color:var(--text)}.trial-note span{font-size:12px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.price-card{padding:32px;border:1px solid var(--line);border-radius:10px;background:#fff}.price-cycle{font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}.price-card h3{font-size:23px;font-weight:500}.price-unset{font-size:28px;line-height:1.4;font-weight:400;margin-top:28px}.price-caption{font-size:12px;margin:10px 0 24px;color:var(--muted)}
.price-list{display:grid;gap:13px;border-top:1px solid var(--line);padding:22px 0;font-size:14px;color:var(--muted)}.price-list li{display:flex;gap:10px;align-items:flex-start}.price-list .icon{width:17px;height:17px;color:var(--tech);margin-top:5px}.price-card .button{width:100%;margin-top:10px;font-size:14px}.pricing-footnote{font-size:12px;line-height:1.95;color:var(--muted);margin-top:22px;max-width:940px}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:72px;align-items:start}.faq-intro>p{font-size:16px;line-height:1.95;margin-top:22px}.faq-intro .text-link{margin-top:22px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{font-size:17px;font-weight:500}
.faq-button{width:100%;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;font-size:17px;font-weight:500;line-height:1.8;text-align:left}.faq-button:hover{color:var(--link)}.faq-button>.icon{width:20px;height:20px;color:var(--muted);transition:transform .18s var(--ease)}.faq-button[aria-expanded=true]>.icon{transform:rotate(45deg)}
.faq-panel{padding:0 36px 26px 0;font-size:15px;line-height:1.95;color:var(--muted)}.faq-panel:not([hidden]){animation:answer-in .18s var(--ease)}.faq-panel a{color:var(--link);text-decoration:underline;text-underline-offset:4px}.faq-panel ol{padding-left:20px;margin:12px 0 0}.faq-panel li+li{margin-top:6px}
@keyframes answer-in{from{opacity:.35;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}
.articles-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:32px}.articles-head .section-head{margin:0;max-width:790px}.articles-head>.text-link{white-space:nowrap;flex-shrink:0}
.journal-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}.journal-row{display:flex;flex-direction:column;align-items:stretch;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
.article-art{width:100%;aspect-ratio:16/10;background:#e9f0ed;overflow:hidden}.article-art img{display:block;width:100%;height:100%;object-fit:cover}.article-main{padding:24px;flex:1;min-width:0}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-bottom:8px}.article-category{color:var(--tech)}
.article-title{font-size:21px;font-weight:500;line-height:1.7}.article-title a{min-height:44px;display:inline-flex;align-items:center;gap:12px;font-size:inherit;line-height:inherit;font-weight:inherit;text-align:left;padding:0}.article-title a:hover{color:var(--action)}.article-title .icon{width:18px;height:18px;color:var(--tech)}
.article-excerpt{font-size:15px;line-height:1.9;margin-top:8px;max-width:840px}.article-index{display:none}.article-disclaimer{font-size:12px;color:var(--muted);margin-top:20px;line-height:1.9}
.closing{padding:68px 0;background:var(--brand);color:#fff;position:relative;overflow:hidden}.closing:after{content:"";position:absolute;width:480px;height:480px;right:-80px;top:-160px;border:1px solid #ffffff1f;border-radius:50%;pointer-events:none}.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:56px;position:relative;z-index:1}.closing .section-label{color:var(--on-dark)}.closing h2{font-size:38px;color:#fff;font-weight:400}.closing-subtitle{font-size:17px;line-height:1.9;color:var(--on-dark);margin-top:20px;max-width:720px}.closing-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:24px;font-size:13px;color:var(--on-dark)}.closing-points span{display:flex;align-items:center;gap:8px}.closing-points .icon{width:16px;height:16px;color:#74d4af}.closing-action{flex-shrink:0;text-align:center}.closing-action small{display:block;font-size:12px;color:var(--on-dark);margin-top:14px}
.site-footer{padding:64px 0 28px;background:#fff}.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:44px}.footer-brand p{font-size:14px;line-height:1.95;max-width:300px;margin-top:22px}.footer-column h3{font-size:14px;font-weight:600;margin-bottom:16px}.footer-column a,.footer-column button{display:flex;align-items:center;min-height:42px;padding:0;font-size:14px;color:var(--muted)}.footer-column a:hover,.footer-column button:hover{color:var(--link);text-decoration:underline;text-underline-offset:4px}.footer-bottom{display:flex;justify-content:space-between;gap:32px;border-top:1px solid var(--line);padding-top:24px;font-size:12px;line-height:1.9;color:var(--muted)}.footer-bottom span{white-space:nowrap}.footer-bottom p{font-size:12px;max-width:740px}
.preview-dialog{width:min(600px,calc(100% - 40px));max-height:calc(100dvh - 48px);border:1px solid var(--line);border-radius:12px;padding:0;background:#fff;color:var(--text);box-shadow:0 30px 100px #0000003d}.preview-dialog::backdrop{background:#071326b8}.dialog-inner{padding:34px}.dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:24px}.dialog-kicker{font-size:12px;color:var(--tech);letter-spacing:.06em;margin-bottom:10px}.dialog-title{font-size:26px;line-height:1.6;font-weight:500}.dialog-close{width:44px;height:44px;min-width:44px;border:1px solid var(--control-line);border-radius:6px;display:flex;align-items:center;justify-content:center}.dialog-close:hover{background:var(--canvas)}.dialog-content{font-size:16px;line-height:1.95}.dialog-content p+p{margin-top:18px}.dialog-content ul{display:grid;gap:12px;margin-top:20px}.dialog-content li{position:relative;padding-left:20px;color:var(--muted)}.dialog-content li:before{content:"";width:5px;height:5px;border-radius:50%;position:absolute;top:13px;left:0;background:var(--tech)}.dialog-bottom{display:flex;gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.dialog-bottom .button{flex:1}.no-js{padding:16px 20px;background:#fff;border:1px solid var(--line);font-size:14px;margin-top:24px}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}
@media(max-width:1100px){
 .container{width:calc(100% - 64px)}.nav-panel{gap:28px}.hero-inner{padding-top:64px}.hero-stage{gap:32px;padding:36px;grid-template-columns:3fr 7fr}.showcase-title{font-size:27px}.showcase-description{font-size:13px}.client-body{padding:28px 22px;gap:20px}.client-settings{padding-left:20px}.privacy-summary{padding:32px 26px}.privacy-summary-title{font-size:24px}.privacy-item{padding:28px}.article-title{font-size:20px}.faq-layout{gap:48px}.footer-main{gap:32px}.price-card{padding:28px}
}
@media(max-width:900px){
 :root{--header:72px}.header-inner{gap:20px}.wordmark-cn{font-size:27px}.nav-panel{display:none;position:absolute;top:calc(var(--header) - 1px);left:0;right:0;max-height:calc(100dvh - 88px);overflow:auto;padding:16px 32px 24px;background:#fff;border-bottom:1px solid var(--line);gap:0;align-items:stretch;box-shadow:0 15px 30px #0b1b330d}.nav-panel.is-open{display:flex;flex-direction:column}.nav-panel a,.nav-panel button{min-height:48px;padding:12px 0}.menu-toggle{display:flex}
 h1{font-size:44px}.hero-stage{grid-template-columns:1fr;padding:36px 48px;max-width:820px;margin-inline:auto;margin-top:40px}.showcase-copy{display:none}.mock-client{width:100%;max-width:680px;margin-inline:auto}.client-body{padding:32px;gap:32px}.client-settings{padding-left:32px}.client-select{font-size:14px}.hero-orbit{left:-140px;opacity:.15}.section{padding:76px 0}h2{font-size:32px}.section-head{margin-bottom:34px}.about-grid{gap:28px}.about-item h3{font-size:18px}.about-item p{font-size:15px}.tech-card{padding:28px;min-height:350px}.tech-card h3{font-size:22px}.tech-card p{font-size:15px}.tech-tag{left:28px}.route-art{width:180px;right:20px}.ktp-art{width:190px}.nodes-panel{grid-template-columns:1fr 1fr}.node-copy{padding:32px 0 32px 30px}.node-copy h3{font-size:25px}.node-visual{padding:10px}.node-globe{height:300px}.region-button{font-size:12px;padding:8px 10px}.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.platform-card{padding:28px}.privacy-board{grid-template-columns:1fr}.privacy-summary{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:10px 20px;align-items:center;padding:30px}.privacy-summary>.icon{grid-row:1/3;margin:0}.privacy-summary-title{font-size:25px}.privacy-summary-title br{display:none}.privacy-summary>p{grid-column:2;font-size:14px;margin:0;max-width:480px}.privacy-summary .button{grid-column:3;grid-row:1/3;margin:0;white-space:nowrap}.privacy-summary-spacer{display:none}.privacy-item{padding:30px}.pricing-grid{gap:18px}.price-card{padding:25px}.price-unset{font-size:25px}.price-card .button{padding:11px 14px}.faq-layout{grid-template-columns:1fr 1.7fr;gap:36px}.faq-button{font-size:16px}.articles-head{gap:24px}.journal-list{gap:18px}.article-main{padding:20px}.article-art{width:100%}.article-title{font-size:19px}.article-excerpt{font-size:14px}.closing h2{font-size:32px}.closing-inner{gap:32px}.closing-subtitle{font-size:16px}.footer-main{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:24px}.footer-column a,.footer-column button{font-size:13px}
}
@media(max-width:760px){.journal-list{grid-template-columns:1fr;gap:24px}.article-main{padding:24px}.article-art{aspect-ratio:16/9}.article-title{font-size:20px}.article-excerpt{font-size:16px}}
@media(max-width:600px){
 :root{--header:68px}.container{width:calc(100% - 40px)}.review-extra{display:none}.review-bar{font-size:11px}.review-bar .container{gap:10px}.review-bar a{font-size:11px}.header-actions{gap:8px}.header-download{font-size:12px;padding:10px 12px;gap:7px}.header-download .icon{width:15px;height:15px}.wordmark-cn{font-size:25px}.wordmark-en{font-size:9px;letter-spacing:.16em}.wordmark{gap:7px}.nav-panel{padding:12px 20px 20px}.hero-inner{padding-top:44px;padding-bottom:28px}.hero-kicker{font-size:12px;letter-spacing:.06em;margin-bottom:18px}h1{font-size:34px;line-height:1.55;font-weight:500}.hero-description{font-size:16px;line-height:1.9;margin-top:20px}.hero-description br{display:none}.hero-buttons{gap:12px;margin:26px 0 22px}.hero-buttons .button{flex:1;min-width:0;font-size:14px;padding:12px 16px}.hero-platforms{gap:10px 16px;font-size:12px}.hero-platforms .icon{width:14px;height:14px}.hero-stage{padding:20px;margin-top:34px;border-radius:10px}.hero-orbit{width:440px;height:440px;left:-170px;top:50%;transform:translateY(-50%)}.client-top{padding:13px 16px}.client-name{font-size:17px}.client-body{grid-template-columns:1fr;padding:26px 20px;gap:26px}.client-caption{font-size:12px;margin-bottom:18px}.client-state{font-size:18px}.client-substate{font-size:12px}.client-settings{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.client-settings-title{font-size:14px}.client-select-label{margin-top:12px}.client-select{font-size:16px}.client-setting-line{font-size:12px;margin-top:12px}.client-footer{font-size:11px;padding:12px 14px}.hero-bottom .container{gap:10px;padding-block:20px}.hero-point{flex-direction:column;gap:7px;line-height:1.6;font-size:12px;text-align:center}.hero-point>.icon{width:20px;height:20px}.point-extra{display:none}
 .section{padding:58px 0}.section-label{font-size:12px;letter-spacing:.06em;margin-bottom:12px}h2{font-size:28px;line-height:1.5}.heading-note{font-size:17px;line-height:1.75;margin-top:10px}.section-head{margin-bottom:30px}.section-head>p{font-size:16px;line-height:1.9;margin-top:18px}.section-head.center{text-align:left}.section-head.center .section-label{justify-content:flex-start!important}.section-head.center>p{margin-top:18px}.about-grid{grid-template-columns:1fr;gap:28px}.about-item{padding-top:24px}.item-number{font-size:11px;margin-bottom:18px}.about-item .icon-box{width:42px;height:42px;margin-bottom:16px}.about-item h3{font-size:20px;margin-bottom:12px}.about-item p{font-size:16px;line-height:1.9}.tech-grid{grid-template-columns:1fr;gap:18px}.tech-card{min-height:340px;padding:26px}.tech-card h3{font-size:23px}.tech-card p{font-size:16px;line-height:1.85}.tech-tag{left:26px;top:24px;font-size:10px}.ktp-art{right:18px;top:10px;width:185px}.route-art{right:20px;width:180px}.inline-annotation{font-size:12px}.nodes-panel{grid-template-columns:1fr;border-radius:10px}.node-copy{padding:28px 25px 8px}.node-copy h3{font-size:26px}.node-copy>p{font-size:16px;max-width:none}.region-picker{margin:22px 0 18px;max-width:none}.region-button{font-size:12px;padding:8px 10px}.node-description{font-size:14px;min-height:0;max-width:none}.node-caption{margin-top:18px}.node-visual{padding:0 10px 12px}.node-globe{height:260px}.node-small-grid{grid-template-columns:1fr;gap:26px;margin-top:28px}.node-small-grid h3{font-size:18px}.node-small-grid p{font-size:16px;margin-top:12px;line-height:1.9}.platform-grid{gap:14px}.platform-card{padding:24px 18px 20px;border-radius:8px}.platform-icon{width:46px;height:46px;margin-bottom:20px}.platform-icon .icon{width:25px;height:25px}.platform-type{font-size:10px;letter-spacing:0}.platform-card h3{font-size:23px}.platform-card p{font-size:14px;line-height:1.95;margin:10px 0 24px}.platform-card .button{font-size:13px;padding:11px 6px;gap:6px;min-height:44px}.platform-card .button .icon{width:15px;height:15px}.install-strip{flex-direction:column;align-items:flex-start;gap:12px;padding:22px}.install-strip p{font-size:14px}.privacy-summary{display:flex;align-items:flex-start;gap:0;padding:28px 26px}.privacy-summary>.icon{width:30px;height:30px;margin-bottom:20px}.privacy-summary-title{font-size:25px;line-height:1.6}.privacy-summary>p{font-size:16px;margin-top:14px;line-height:1.9}.privacy-summary .button{margin-top:24px;font-size:14px}.privacy-grid{grid-template-columns:1fr}.privacy-item{padding:26px;border-right:0!important;border-bottom:1px solid var(--line)}.privacy-item:last-child{border-bottom:0}.privacy-item>.icon{margin-bottom:16px}.privacy-item h3{font-size:20px}.privacy-item p{font-size:16px;line-height:1.9;margin-top:10px}.privacy-caption{padding:18px 22px;font-size:12px}.pricing-top{align-items:stretch;flex-direction:column;gap:18px;margin-bottom:24px}.trial-note{padding:16px 18px}.pricing-grid{grid-template-columns:1fr;gap:18px}.price-card{padding:28px}.price-cycle{font-size:11px}.price-card h3{font-size:23px}.price-unset{font-size:28px;margin-top:24px}.price-caption{font-size:13px}.price-list{font-size:16px;gap:12px}.price-card .button{font-size:15px}.pricing-footnote{font-size:13px}.faq-layout{grid-template-columns:1fr;gap:30px}.faq-intro>p{font-size:16px;margin-top:18px}.faq-intro .text-link{margin-top:14px}.faq-button{font-size:16px;gap:18px;min-height:72px;padding:22px 0}.faq-panel{font-size:16px;line-height:1.9;padding-right:20px}.articles-head{display:block;margin-bottom:26px}.articles-head>.text-link{margin-top:16px}.journal-row{padding:0;gap:0;align-items:stretch}.article-art{width:100%;aspect-ratio:16/9}.article-index{display:none}.article-meta{font-size:11px;gap:8px;margin-bottom:6px}.article-title{font-size:20px;line-height:1.7}.article-title a{gap:8px;align-items:flex-start}.article-title .icon{margin-top:7px;min-width:15px;width:15px}.article-excerpt{font-size:16px;line-height:1.9;margin-top:12px}.article-disclaimer{font-size:12px}.closing{padding:50px 0}.closing-inner{display:block}.closing h2{font-size:30px}.closing-subtitle{font-size:16px;line-height:1.9;margin-top:18px}.closing-points{font-size:12px;gap:12px 18px}.closing-action{margin-top:30px}.closing-action .button{width:100%;font-size:15px}.site-footer{padding:44px 0 26px}.footer-main{grid-template-columns:repeat(3,1fr);gap:30px 16px;padding-bottom:30px}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:400px;font-size:14px;margin-top:18px}.footer-column h3{font-size:13px}.footer-column a,.footer-column button{font-size:12px;min-height:44px}.footer-bottom{flex-direction:column;gap:14px;padding-top:22px}.footer-bottom p{font-size:12px}.dialog-inner{padding:24px}.dialog-top{gap:14px}.dialog-title{font-size:23px}.dialog-bottom .button{width:100%}.dialog-content{font-size:16px}
}
@media(max-width:360px){
 .container{width:calc(100% - 32px)}.header-download{padding:11px;font-size:11px}.header-download>.icon{display:none}.wordmark-en{display:none}.wordmark-cn{font-size:25px}.hero-kicker{font-size:11px}h1{font-size:31px}.hero-stage{padding:14px}.hero-buttons .button{padding:12px;font-size:13px}.client-body{padding:24px 18px}.platform-grid{grid-template-columns:1fr}.platform-card{padding:26px}.platform-card p{font-size:16px}.platform-card .button{font-size:15px}.article-art{width:100%}.article-title{font-size:17px}.article-meta{font-size:11px}.footer-main{grid-template-columns:1fr 1fr}.node-copy{padding-inline:22px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{
 .review-bar,.site-header,.hero-stage,.hero-buttons,.button,.region-picker,.preview-dialog,.menu-toggle{display:none!important}.container{width:100%}.hero-inner{padding:30px 0}.section{padding:28px 0}.hero-platforms{margin-top:16px}.hero-bottom{display:none}.privacy-board{display:block}.privacy-summary{display:block}.privacy-summary>.icon{display:none}.privacy-summary-title,.privacy-summary>p{color:var(--text)}.privacy-summary{background:var(--canvas)}.privacy-grid{display:grid;grid-template-columns:1fr 1fr}.faq-panel[hidden]{display:block!important}.tech-card-dark,.nodes-panel,.closing{print-color-adjust:exact;-webkit-print-color-adjust:exact}.footer-column button{display:none}.platform-card,.price-card,.faq-item,.journal-row{break-inside:avoid}h2,h3{break-after:avoid}
}

.client-platform-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}
.client-platform-links a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--control-line);border-radius:6px;font-size:12px;background:var(--surface);color:var(--text)}
.client-platform-links a:hover{color:var(--action);border-color:var(--action);background:var(--soft-green)}
.plan-price{display:flex;gap:5px;align-items:baseline;margin-top:24px;line-height:1.4;color:var(--brand)}
.plan-price strong{font-size:44px;font-family:Arial,var(--font);font-weight:500;font-variant-numeric:tabular-nums}
.plan-currency{font-size:23px}.plan-period{font-size:15px;color:var(--muted)}
.plan-description{font-size:14px;line-height:1.9;margin-bottom:24px;min-height:54px}
@media(max-width:600px){.client-platform-links a{font-size:14px}.plan-description{font-size:16px;min-height:0}.plan-price strong{font-size:42px}}

.download-hero{padding:34px 0 64px;background:var(--canvas);border-bottom:1px solid var(--line)}
.download-breadcrumb{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);min-height:32px;margin-bottom:32px}
.download-breadcrumb a{color:var(--link)}.download-breadcrumb a:hover{text-decoration:underline;text-underline-offset:4px}
.download-heading{max-width:880px;margin-bottom:38px}.download-heading h1{font-size:50px;line-height:1.5;font-weight:500}
.download-heading p{font-size:18px;line-height:1.9;max-width:800px;margin-top:20px}
.download-selector-title{font-size:18px;line-height:1.7;font-weight:500;margin-bottom:20px}
.download-platforms{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.download-platform{min-width:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:28px 24px 22px;display:flex;flex-direction:column;scroll-margin-top:calc(var(--header) + 24px)}
.download-platform-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
.download-platform .platform-icon{width:48px;height:48px;margin:0;flex-shrink:0}.download-platform-kind{font-size:11px;line-height:1.7;color:var(--muted);text-align:right}
.download-platform h3{font:500 22px/1.55 var(--font);color:var(--brand)}
.download-platform-description{font-size:15px;line-height:1.9;margin:12px 0 26px;flex:1}
.download-platform-action{width:100%;padding:12px 14px;font-size:14px;min-height:48px}
.download-platform-guide{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;font-size:12px;color:var(--muted);margin-top:8px}
.download-platform-guide:hover{color:var(--action);text-decoration:underline;text-underline-offset:4px}
.download-hero-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:24px}
.download-source-note{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:13px;line-height:1.8;max-width:780px}
.download-source-note .icon{width:18px;height:18px;color:var(--tech);margin-top:3px}
.download-hero-bottom>.text-link{white-space:nowrap;font-size:14px}
.setup-overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;border-top:1px solid var(--line);margin-bottom:40px}
.setup-step{padding-top:25px;display:flex;gap:18px;align-items:flex-start}.setup-step-number{width:40px;min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--soft-green);border-radius:50%;color:var(--tech);font:500 14px/1 Arial,var(--font)}
.setup-step h3{font-size:18px;font-weight:500;margin-bottom:8px}.setup-step p{font-size:14px;line-height:1.9}
.install-guides{display:grid;grid-template-columns:1fr 1fr;gap:24px}.install-guide{border:1px solid var(--line);border-radius:12px;padding:32px;scroll-margin-top:calc(var(--header) + 24px);background:var(--surface)}
.install-guide-title{display:flex;align-items:center;gap:14px}.install-guide-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--soft-green);color:var(--tech)}
.install-guide-title h3{font-size:22px;font-weight:500}.install-guide-note{font-size:14px;line-height:1.9;margin-top:18px}
.install-guide-steps{list-style:none;padding:0;margin:24px 0 16px;display:grid;gap:17px}
.install-guide-steps li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;align-items:start}
.install-guide-steps li>span{width:23px;height:23px;display:flex;align-items:center;justify-content:center;border:1px solid var(--control-line);border-radius:50%;font:12px/1 Arial,sans-serif;color:var(--muted);margin-top:4px}
.install-guide-steps p{font-size:15px;line-height:1.9}.install-guide .text-link{font-size:14px}
.release-checks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.release-check{padding:30px;background:var(--surface);border:1px solid var(--line);border-radius:10px}
.release-check>.icon{width:27px;height:27px;color:var(--tech);margin-bottom:22px}.release-check h3{font-size:20px;font-weight:500;margin-bottom:12px}.release-check p{font-size:15px;line-height:1.95}
.download-context{background:var(--brand);color:#fff;padding:52px 0}
.download-context-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px}.download-context article+article{padding-left:48px;border-left:1px solid #506375}
.download-context h2{font-size:27px;font-weight:400;color:#fff;line-height:1.55}.download-context p{font-size:15px;line-height:1.95;margin-top:16px;color:var(--on-dark)}
.download-context .text-link{color:#9ae0bd;font-size:14px;margin-top:16px}
.download-bottom-actions{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:32px;margin-top:36px;border-top:1px solid var(--line)}
.download-bottom-actions p{font-size:15px;line-height:1.9}.download-bottom-actions .button{flex-shrink:0}
@media(max-width:1100px){.download-platform{padding:26px 20px 20px}.download-platform-top{gap:8px}.download-platform-kind{font-size:10px}.download-platform-action{font-size:14px}.setup-overview{gap:28px}.install-guide{padding:28px}.release-check{padding:26px}}
@media(max-width:900px){.download-hero{padding-top:28px;padding-bottom:52px}.download-heading h1{font-size:42px}.download-heading p{font-size:17px}.download-platforms{grid-template-columns:1fr 1fr;gap:20px}.download-platform{padding:28px}.download-platform-top{margin-bottom:20px}.download-platform-kind{font-size:12px}.download-platform-description{font-size:16px;margin-bottom:22px}.download-platform-action{font-size:15px}.download-platform-guide{font-size:13px}.setup-overview{gap:24px}.setup-step{gap:12px}.setup-step-number{width:32px;height:32px;min-width:32px}.setup-step h3{font-size:17px}.setup-step p{font-size:14px}.install-guides{gap:20px}.install-guide{padding:26px}.install-guide-title h3{font-size:20px}.release-checks{gap:18px}.release-check{padding:24px}.release-check h3{font-size:18px}.release-check p{font-size:14px}.download-context-inner{gap:32px}.download-context article+article{padding-left:32px}.download-context h2{font-size:25px}}
@media(max-width:600px){.download-hero{padding:24px 0 40px}.download-breadcrumb{font-size:12px;margin-bottom:24px}.download-heading{margin-bottom:28px}.download-heading h1{font-size:33px;line-height:1.55}.download-heading p{font-size:16px;margin-top:18px;line-height:1.9}.download-selector-title{font-size:17px;margin-bottom:18px}.download-platforms{grid-template-columns:1fr;gap:16px}.download-platform{padding:24px}.download-platform-top{margin-bottom:16px}.download-platform .platform-icon{width:44px;height:44px}.download-platform-kind{font-size:12px}.download-platform h3{font-size:27px}.download-platform-description{font-size:16px;margin:10px 0 22px;line-height:1.85}.download-platform-action{font-size:15px}.download-platform-guide{font-size:14px}.download-hero-bottom{align-items:flex-start;flex-direction:column;gap:12px;margin-top:22px}.download-source-note{font-size:13px}.download-hero-bottom>.text-link{font-size:14px}.setup-overview{grid-template-columns:1fr;gap:0;margin-bottom:30px}.setup-step{gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}.setup-step-number{width:36px;height:36px;min-width:36px}.setup-step h3{font-size:19px;margin-bottom:7px}.setup-step p{font-size:16px;line-height:1.85}.install-guides{grid-template-columns:1fr;gap:18px}.install-guide{padding:26px 24px}.install-guide-title h3{font-size:21px}.install-guide-note{font-size:16px}.install-guide-steps{gap:16px;margin-top:22px}.install-guide-steps p{font-size:16px;line-height:1.85}.install-guide .text-link{font-size:14px}.release-checks{grid-template-columns:1fr;gap:18px}.release-check{padding:28px 26px}.release-check h3{font-size:21px}.release-check p{font-size:16px;line-height:1.9}.download-context{padding:42px 0}.download-context-inner{grid-template-columns:1fr;gap:28px}.download-context article+article{padding:28px 0 0;border-left:0;border-top:1px solid #506375}.download-context h2{font-size:26px}.download-context p{font-size:16px}.download-bottom-actions{align-items:stretch;flex-direction:column;gap:20px;margin-top:28px;padding-top:24px}.download-bottom-actions p{font-size:16px}.download-bottom-actions .button{width:100%}}
@media print{.download-platform-action{display:none}.download-platforms{grid-template-columns:1fr 1fr}.install-guide{break-inside:avoid}.download-context{print-color-adjust:exact;-webkit-print-color-adjust:exact}}