:root{--ink:#182c35;--muted:#536770;--green:#087f75;--green-dark:#07675f;--mint:#e8f4ef;--paper:#fbfcf9;--white:#fff;--line:#dce5df;--radius:20px;--font:"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a,button,summary{cursor:pointer;touch-action:manipulation}button{font:inherit}a,button{transition:background-color .18s,color .18s,box-shadow .18s}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:5px;border-radius:4px}img{max-width:100%;display:block}p,h1,h2,h3{margin:0}h1,h2,h3{text-wrap:balance;line-height:1.25}h1{font-size:clamp(48px,6.5vw,80px);font-weight:750;letter-spacing:-3px}h2{font-size:clamp(28px,3vw,42px);letter-spacing:-1px}h3{font-size:21px;letter-spacing:-.4px}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;top:-100px;left:24px;z-index:10;padding:12px 20px;background:var(--ink);color:#fff}.skip-link:focus{top:10px}.header{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;font-size:19px;line-height:1.3;font-weight:700;flex-shrink:0}.brand-en{display:block;font-size:8px;letter-spacing:2px;color:var(--muted);font-weight:600;margin-top:5px}nav{display:flex;align-items:center;gap:36px;font-size:14px;font-weight:600}nav a{padding-block:12px}nav a:hover,.text-link:hover{color:var(--green)}.nav-download{border:1px solid var(--line);border-radius:8px;padding:10px 16px;background:var(--white)}.nav-download:hover{background:var(--mint)}.nav-download span{margin-left:14px}.hero{padding-top:64px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid var(--line);background:var(--white);border-radius:30px;font-size:12px;font-weight:600;letter-spacing:.7px;margin-bottom:26px}.status-dot{width:6px;height:6px;border-radius:100%;background:var(--green)}h1 span{color:var(--green)}.hero-copy{font-size:18px;color:var(--muted);line-height:1.9;margin-top:24px}.hero-actions{display:flex;justify-content:center;align-items:center;gap:25px;margin-top:32px}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:54px;padding:13px 22px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.5}.primary{background:var(--green);color:var(--white);box-shadow:0 5px 14px #087f7514}.primary:hover{background:var(--green-dark);box-shadow:0 7px 18px #087f7526}.primary:active{background:#05534d}.button svg,.feature-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.text-link{font-size:14px;font-weight:600;padding:14px 0}.text-link span{margin-left:8px}.release-meta{font-size:12px;color:var(--muted);margin-top:16px}.release-meta span{padding-inline:7px}.product-preview{margin:58px 0 0;background:var(--white);border:1px solid #cfddd5;border-radius:14px;box-shadow:0 24px 60px -25px #254b3933;position:relative;text-align:left;overflow:hidden}.preview-top{height:43px;padding:0 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted);background:#f3f7f3}.window-dots{display:flex;gap:6px;width:74px}.window-dots i{width:8px;height:8px;border-radius:50%;background:#c5d3cb}.preview-tag{font-size:9px;letter-spacing:1px;width:74px;text-align:right}.product-preview img{width:100%;height:auto}.product-preview figcaption{font-size:10px;color:var(--muted);padding:7px 14px;background:#f3f7f3;text-align:right;border-top:1px solid var(--line)}.protocols{display:flex;align-items:center;justify-content:center;gap:38px;margin:35px 0 0;color:var(--muted);font-size:11px}.protocols ul{list-style:none;display:flex;gap:26px;flex-wrap:wrap;padding:0;margin:0;color:#344f58;font-family:Consolas,monospace;font-size:13px;font-weight:600}.features{padding-top:122px}.section-label{color:var(--green);font-size:12px;font-weight:700;letter-spacing:1.5px;margin-bottom:13px}.section-heading>p:last-child:not(.section-label){font-size:15px;color:var(--muted);margin-top:20px;line-height:1.9}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:42px}.feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;overflow:hidden}.feature-card.wide{grid-column:span 2;background:var(--mint);border-color:#d1e5da}.feature-icon{width:42px;height:42px;border:1px solid #d6e7dc;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--green);background:#f4f9f5;margin-bottom:24px}.wide .feature-icon{background:#f8fcf9}.feature-card p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:15px;max-width:48ch}.queue-demo{display:grid;gap:8px;margin-top:26px;max-width:465px}.queue-demo>div{display:flex;align-items:center;gap:12px;background:#ffffffb3;border:1px solid #d6e7de;padding:10px 13px;border-radius:10px;font-size:11px;text-align:left}.mini-file{width:30px;height:34px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;border-radius:5px;color:var(--green);font-size:17px}.queue-demo small{display:block;font-size:9px;color:var(--muted);line-height:1.6}.mini-progress{margin-left:auto;width:85px;height:4px;border-radius:10px;background:#dae6df;overflow:hidden}.mini-progress i{display:block;width:62%;height:100%;background:var(--green)}.mini-state{margin-left:auto;color:var(--muted);font-size:10px}.feature-card .demo-caption{margin-top:7px;font-size:10px;color:var(--muted)}.source-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px;align-content:start}.source-tags span{font:12px Consolas,monospace;color:var(--green-dark);background:#eff5f0;border:1px solid var(--line);border-radius:8px;padding:10px 11px}.feature-note{font-size:12px;color:var(--muted);margin-top:20px}.guide{padding-top:120px}.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px;margin:44px 0 0}.steps li{padding-top:22px;border-top:1px solid var(--line)}.step-number{display:block;font-size:13px;color:var(--green);font-weight:700;font-family:Consolas,monospace;margin-bottom:20px}.steps p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:15px}.steps kbd{display:inline-block;font:11px var(--font);border:1px solid var(--line);border-bottom-width:3px;border-radius:5px;padding:3px 7px;margin-top:20px;background:var(--white);color:var(--muted)}.faq{padding-top:120px;display:grid;grid-template-columns:1fr 1.3fr;gap:72px}.faq h2{font-size:32px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}.faq-list summary{font-size:15px;font-weight:600;list-style:none;padding:23px 26px 23px 0;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:1px;font-size:21px;line-height:1.2;color:var(--green);font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list p{font-size:14px;color:var(--muted);padding:0 24px 23px 0;line-height:1.9}.download-section{padding-top:110px}.download-panel{background:#e7f1e9;border:1px solid #d4e3d8;border-radius:24px;padding:58px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.download-copy h2{font-size:40px;line-height:1.4}.download-copy>p:last-child{font-size:14px;color:var(--muted);line-height:1.9;margin-top:24px}.download-card{border:1px solid #d4e1d6;background:var(--white);border-radius:16px;padding:30px}.file-label{font-size:10px;font-weight:700;letter-spacing:1.4px;color:var(--green)}.download-card h3{margin-top:12px;font-size:24px}.package-detail{font-size:13px;color:var(--muted);margin-top:8px}.download-card .button{width:100%;margin-top:24px}.package-meta{font-size:10px;color:var(--muted);margin-top:12px;text-align:center}.checksum{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:9px;font-size:10px;color:var(--muted)}.checksum button{font-size:10px;color:var(--green-dark);border:1px solid var(--line);background:#f5f9f5;padding:5px 8px;border-radius:5px;min-height:30px}.checksum button:hover{background:var(--mint)}.checksum code{display:block;width:100%;overflow-wrap:anywhere;font-size:10px;line-height:1.7;font-family:Consolas,monospace}.checksum a{padding-block:5px;color:var(--green-dark)}.checksum a:hover{text-decoration:underline}.copy-status{font-size:10px;color:var(--green-dark)}.footer{border-top:1px solid var(--line);margin-top:80px;padding-block:30px;display:flex;align-items:center;gap:25px}.footer .brand{font-size:15px;gap:9px}.footer p{font-size:11px;color:var(--muted);margin-right:auto}.footer>a:last-child{font-size:11px;color:var(--muted);padding:12px 0}@media(min-width:1440px){.hero{padding-top:78px}}@media(max-width:900px){.wrap{width:calc(100% - 44px)}.header{min-height:90px}nav{gap:20px}.feature-card{padding:24px}.feature-grid{gap:14px}.feature-card h3{font-size:19px}.steps{gap:28px}.faq{gap:34px;grid-template-columns:1fr 1.4fr}.download-panel{padding:36px;gap:30px}.download-copy h2{font-size:34px}.protocols{gap:22px}.protocols ul{gap:18px}}@media(max-width:650px){.wrap{width:calc(100% - 36px)}.header{min-height:84px;gap:12px}.brand{font-size:16px;gap:9px}.brand img{width:32px;height:32px}.brand-en{font-size:6px;letter-spacing:1.6px}nav{gap:0}nav>a:not(.nav-download){display:none}.nav-download{font-size:11px;padding:9px 11px}.nav-download span{margin-left:4px}.hero{padding-top:46px}h1{font-size:52px;letter-spacing:-2px}.eyebrow{font-size:10px;margin-bottom:23px}.hero-copy{font-size:14px;margin-top:22px}.hero-actions{flex-direction:column;gap:5px;margin-top:26px}.hero-actions .button{width:100%;max-width:280px}.text-link{font-size:12px}.release-meta{font-size:10px;margin-top:12px}.release-meta span{padding-inline:3px}.product-preview{margin-top:34px;border-radius:10px}.preview-top{height:32px;padding-inline:10px;font-size:8px}.window-dots{gap:4px;width:48px}.window-dots i{width:6px;height:6px}.preview-tag{font-size:7px;width:48px}.product-preview figcaption{font-size:8px}.protocols{flex-direction:column;gap:10px;margin-top:24px}.protocols>span{font-size:10px}.protocols ul{justify-content:center;gap:9px 18px;font-size:11px}.features,.guide{padding-top:76px}.section-label{font-size:10px;letter-spacing:1px}.section-heading>p:last-child:not(.section-label){font-size:13px;margin-top:16px}.feature-grid{grid-template-columns:1fr;gap:14px;margin-top:28px}.feature-card.wide{grid-column:auto}.feature-card{padding:25px}.feature-icon{margin-bottom:20px}.feature-card p{font-size:13px}.queue-demo{margin-top:20px}.feature-note{font-size:10px}.steps{grid-template-columns:1fr;gap:26px;margin-top:28px}.steps li{padding-top:19px}.step-number{margin-bottom:12px}.steps h3{font-size:19px}.steps p{font-size:13px;margin-top:10px}.steps kbd{margin-top:13px}.faq{padding-top:76px;grid-template-columns:1fr;gap:27px}.faq h2{font-size:28px}.faq-list summary{font-size:14px;padding-block:21px}.faq-list p{font-size:13px}.download-section{padding-top:70px}.download-panel{grid-template-columns:1fr;padding:28px 20px;gap:28px;border-radius:18px}.download-copy h2{font-size:32px}.download-copy>p:last-child{font-size:12px;margin-top:17px}.download-card{padding:22px}.package-meta{font-size:9px}.footer{margin-top:54px;padding-block:25px;flex-wrap:wrap;gap:14px 20px}.footer p{order:3;width:100%;font-size:10px}.footer>a:last-child{margin-left:auto}.footer .brand{font-size:14px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a,button{transition:none}}