:root{--ink:#17191e;--paper:#f8f9fb;--blue:#2636c7;--mint:#a9f0d1;--orange:#ff6b35;--line:#b9becb;--muted:#5b6270;--max:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;line-height:1.72}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
header{position:sticky;top:0;z-index:30;background:rgba(248,249,251,.97);border-bottom:1px solid var(--ink)}
.nav-shell{width:min(calc(100% - 48px),var(--max));height:70px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-size:20px}
.brand img{border-radius:5px}
nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:800}
nav a{padding:8px 0}
nav .active{box-shadow:inset 0 -4px var(--blue)}
nav .nav-download{padding:9px 18px;color:#fff;background:var(--ink)}
.menu{display:none;width:42px;height:42px;border:1px solid;background:transparent}
.menu span{display:block;width:20px;height:2px;margin:5px auto;background:var(--ink)}
.hero{border-bottom:1px solid}
.hero-shell{width:min(calc(100% - 48px),var(--max));min-height:660px;max-height:700px;margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 500px;gap:68px;align-items:center;padding:38px 0}
.status{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--blue);font-size:11px;font-weight:900}
.status i{width:9px;height:9px;background:var(--mint);border:2px solid var(--ink);border-radius:50%}
.hero h1,.inside-hero h1{margin:0 0 18px;font-size:clamp(46px,5vw,70px);line-height:1.08;letter-spacing:0}
.hero-copy>p{max-width:660px;margin:0 0 26px;color:#424956;font-size:17px}
.hero-actions{display:flex;gap:12px;margin-bottom:28px}
.button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:9px 22px;border:1px solid;font-weight:900}
.orange{color:#fff;background:var(--orange);box-shadow:5px 5px 0 var(--ink)}
.ghost{background:transparent}
.data-strip{display:grid;grid-template-columns:repeat(3,1fr);max-width:570px;border:1px solid}
.data-strip div{display:grid;padding:11px 14px;border-right:1px solid}
.data-strip div:last-child{border:0}
.data-strip span{color:var(--blue);font-size:9px;font-weight:900}
.dashboard-media{position:relative;height:520px;background:var(--blue);border:1px solid var(--ink);overflow:hidden}
.panel-title{height:45px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;color:#fff;border-bottom:1px solid #8590ed;font-size:10px}
.device{position:absolute;padding:11px;background:#fff;border:1px solid}
.device img{max-width:400px;object-fit:contain}
.device.primary{left:42px;top:70px}
.device.primary img{width:176px;height:352px}
.device.secondary{right:38px;top:112px}
.device.secondary img{width:150px;height:300px}
.file-band{position:absolute;left:0;right:0;bottom:0;height:48px;display:flex;align-items:center;gap:10px;padding:0 16px;background:var(--mint);border-top:1px solid;font-size:9px;font-weight:900}
.file-band i{flex:1;height:1px;background:var(--ink)}
.section{border-bottom:1px solid}
.wrap{width:min(calc(100% - 48px),var(--max));margin:auto;padding:76px 0}
.section-head{display:grid;grid-template-columns:130px 270px 1fr;align-items:baseline;gap:12px;margin-bottom:34px}
.section-head>span{color:var(--blue);font-size:10px;font-weight:900}
.section-head h2{margin:0;font-size:38px}
.section-head>div{color:var(--muted)}
.functions{background:#fff}
.module-table{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid;border-left:1px solid}
.module-table article{display:grid;grid-template-columns:55px 210px 1fr;gap:12px;align-items:baseline;padding:24px;border-right:1px solid;border-bottom:1px solid}
.module-table em{color:var(--orange);font-style:normal;font-weight:900}
.module-table h3,.module-table p{margin:0}
.module-table p{color:var(--muted)}
.previews{background:var(--mint)}
.preview-grid{display:grid;grid-template-columns:260px 1fr 260px;gap:18px}
.preview-grid figure{margin:0;padding:20px;background:var(--paper);border:1px solid}
.image-shell{display:flex;min-height:360px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line)}
.image-shell img{max-width:400px;width:auto;height:340px;object-fit:contain}
.preview-grid figcaption{display:grid;gap:4px;margin-top:15px}
.preview-grid figcaption span{color:var(--muted);font-size:13px}
.preview-grid .wide{display:grid;grid-template-columns:1fr 190px;gap:20px;align-items:center;background:var(--blue);color:#fff}
.wide p{color:#dfe2ff}
.wide .image-shell{min-height:390px}
.wide .image-shell img{height:365px}
.badge{display:inline-block;padding:4px 8px;color:var(--ink);background:var(--orange);font-size:10px;font-weight:900}
.wide h3{font-size:27px}
.migration{background:#fff}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid}
.check-grid>div{padding:30px}
.check-grid>div:first-child{border-right:1px solid}
.check-grid span{color:var(--blue);font-size:10px;font-weight:900}
.check-grid h3{font-size:28px}
.check-grid ul{margin:0;padding:0;list-style:none}
.check-grid li{padding:10px 0;border-top:1px solid var(--line)}
.faq-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.faq-row a{min-height:135px;display:flex;flex-direction:column;justify-content:space-between;padding:22px;border:1px solid;background:#fff}
.faq-row span{color:var(--muted);font-size:13px}
.cta{color:#fff;background:var(--ink)}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:50px 0}
.cta h2{margin:0;font-size:34px}
.cta-note{color:#c8cbd2}
.footer-shell{width:min(calc(100% - 48px),var(--max));margin:auto;padding:34px 0;text-align:center}
.footer-shell .brand{justify-content:center}
.footer-shell p{max-width:760px;margin:16px auto 8px;color:var(--muted);font-size:13px;text-align:center}
.inside{background:#fff}
.inside-hero{width:min(calc(100% - 48px),var(--max));margin:auto;padding:66px 0 54px;border-bottom:1px solid}
.inside-hero h1{max-width:940px;font-size:64px}
.inside-hero>p{max-width:780px;color:var(--muted);font-size:17px}
.run-stats{display:flex;gap:12px;margin-top:25px}
.run-stats span{display:flex;align-items:baseline;gap:6px;padding:9px 14px;background:var(--mint);border:1px solid;font-size:12px}
.run-stats b{font-size:23px}
.runbook{width:min(calc(100% - 48px),var(--max));margin:auto;display:grid;grid-template-columns:220px 1fr;gap:72px;padding:62px 0 90px}
.runbook aside{position:sticky;top:100px;align-self:start;display:grid;border:1px solid}
.runbook aside b,.runbook aside a{padding:11px 16px;border-bottom:1px solid var(--line)}
.runbook aside a:last-child{border:0}
.runbook article{max-width:810px}
.runbook section{padding-bottom:38px;margin-bottom:38px;border-bottom:1px solid var(--line)}
.runbook em{color:var(--blue);font-size:10px;font-style:normal;font-weight:900}
.runbook h2{font-size:31px}
.runbook p{color:#3e4550}
.runbook a{text-decoration:underline;font-weight:800}
.run-note{display:grid;gap:5px;padding:18px;background:var(--mint);border:1px solid}
.run-end,.support-end{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:24px;background:var(--mint);border:1px solid}
.run-end>div,.support-end>div{display:grid}
.support{width:min(calc(100% - 48px),960px);margin:auto;padding:56px 0 90px}
.support-bar{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:28px;border:1px solid}
.support-bar span{display:grid;padding:16px;border-right:1px solid}
.support-bar span:last-child{border:0}
.support-bar b{color:var(--blue)}
.support-list{border-top:1px solid}
details{border-bottom:1px solid}
summary{position:relative;padding:22px 48px 22px 0;cursor:pointer;list-style:none;font-weight:900}
summary::-webkit-details-marker{display:none}
summary i::before,summary i::after{content:"";position:absolute;right:12px;top:32px;width:18px;height:2px;background:var(--ink)}
summary i::after{transform:rotate(90deg)}
details[open] summary i::after{transform:rotate(0)}
details p{margin:0;padding:0 52px 22px 0;color:var(--muted)}
.support-end{margin-top:36px}
.support-end>div{margin-right:auto}
@media(max-width:900px){.nav-shell{width:min(calc(100% - 32px),var(--max));height:64px}
.menu{display:block}
nav{position:absolute;top:64px;left:0;right:0;display:none;padding:16px;background:var(--paper);border-bottom:1px solid}
nav.open{display:grid;gap:7px}
.hero-shell{width:min(calc(100% - 32px),var(--max));min-height:auto;max-height:none;grid-template-columns:1fr;gap:20px;padding:28px 0 24px}
.dashboard-media{height:350px}
.device.primary{left:35px;top:58px}
.device.primary img{height:235px;width:auto}
.device.secondary{right:35px;top:80px}
.device.secondary img{height:210px;width:auto}
.wrap{width:min(calc(100% - 32px),var(--max));padding:58px 0}
.section-head{grid-template-columns:110px 1fr}
.section-head>div{grid-column:2}
.module-table{grid-template-columns:1fr}
.preview-grid{grid-template-columns:1fr 1fr}
.preview-grid .wide{grid-column:1/3;grid-row:1}
.inside-hero{width:min(calc(100% - 32px),var(--max));padding:46px 0}
.runbook{width:min(calc(100% - 32px),var(--max));grid-template-columns:1fr;gap:30px;padding:48px 0 70px}
.runbook aside{position:static}
.support{width:min(calc(100% - 32px),960px)}
}
@media(max-width:560px){.hero-shell{gap:14px;padding:20px 0 18px}
.status{margin-bottom:7px}
.hero h1{margin-bottom:9px;font-size:29px}
.hero-copy>p{margin-bottom:13px;font-size:14px;line-height:1.55}
.hero-actions{margin-bottom:0}
.hero-actions .button{min-height:40px;padding:7px 12px;font-size:13px}
.data-strip{display:none}
.dashboard-media{height:250px}
.panel-title{height:34px}
.device.primary{left:25px;top:46px}
.device.primary img{height:175px}
.device.secondary{right:25px;top:59px}
.device.secondary img{height:150px}
.file-band{height:34px}
.section-head{display:flex;align-items:baseline}
.section-head h2{font-size:31px}
.section-head>div{display:none}
.module-table article{grid-template-columns:40px 1fr}
.module-table p{grid-column:2}
.preview-grid{grid-template-columns:1fr}
.preview-grid .wide{grid-column:auto;grid-row:auto;grid-template-columns:1fr 150px}
.image-shell{min-height:330px}
.preview-grid figure:not(.wide) .image-shell img{height:310px}
.wide .image-shell{min-height:330px}
.wide .image-shell img{height:300px}
.check-grid{grid-template-columns:1fr}
.check-grid>div:first-child{border-right:0;border-bottom:1px solid}
.faq-row{grid-template-columns:1fr}
.cta .wrap,.run-end,.support-end{align-items:stretch;flex-direction:column}
.inside-hero h1{font-size:39px}
.run-stats{display:grid}
.support-bar{grid-template-columns:1fr}
.support-bar span{border-right:0;border-bottom:1px solid}
.support-end>div{margin-right:0}
}