:root{
  --h2-inset: 16px;
  --bg: #0A1020;
  --bg-2: #060B14;
  --panel: #111B2E;
  --panel-2: #16223A;
  --panel-3: #1C2C49;
  --text: #E6EDF6;
  --muted: #9FB0C8;
  --line: #cbd5e1;
  --line-soft: #2A3A57;
  --accent: #37E0C8;
  --accent-2: #C9A227;
  --link: #5FD0E6;
  --header-h: 64px;
  --maxw: 1200px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
}
a{color:var(--link);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;height:auto;}

/* ---------- header / nav ---------- */
.sat-header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:rgba(8,14,26,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
  z-index:50;
}
.sat-nav-inner{
  max-width:var(--maxw);margin:0 auto;height:100%;
  display:flex;align-items:center;gap:18px;padding:0 16px;
}
.sat-logo{font-weight:700;font-size:18px;color:var(--text);white-space:nowrap;}
.sat-logo:hover{text-decoration:none;color:var(--accent);}
.sat-nav{margin-left:auto;}
.sat-nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;}
.sat-nav-list>li{position:relative;}
.sat-nav-list>li>a,.sat-nav-parent{
  display:block;padding:10px 12px;color:var(--text);cursor:pointer;font-size:15px;
  border-radius:6px;
}
.sat-nav-list>li>a:hover,.sat-nav-parent:hover{color:var(--accent);background:var(--panel);text-decoration:none;}
.sat-nav-has-sub{position:relative;}
.sat-nav-sub{
  display:none;position:absolute;top:100%;left:0;min-width:180px;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:8px;
  padding:6px 0;box-shadow:0 12px 30px rgba(0,0,0,.4);z-index:60;
}
.sat-nav-has-sub:hover .sat-nav-sub,.sat-nav-has-sub:focus-within .sat-nav-sub{display:block;}
.sat-nav-sub li a{display:block;padding:8px 16px;color:var(--muted);font-size:14px;}
.sat-nav-sub li a:hover{color:var(--accent);background:var(--panel-2);text-decoration:none;}
.sat-nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px;}
.sat-nav-toggle span{width:22px;height:2px;background:var(--text);display:block;border-radius:2px;}

/* ---------- page wrap / breadcrumb ---------- */
.sat-page-wrap{max-width:var(--maxw);margin:0 auto;padding-top:calc(var(--header-h) + 16px);}
.sat-crumb{padding-left:var(--h2-inset);margin:8px 0 18px;font-size:13px;color:var(--muted);}
.sat-crumb-list{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;}
.sat-crumb-list li:not(:last-child)::after{content:"›";margin-left:6px;color:var(--muted);}
.sat-crumb-list a{color:var(--muted);}
.sat-crumb-list a:hover{color:var(--accent);}
.sat-crumb-list span[aria-current]{color:var(--text);}

/* ---------- layout grids ---------- */
.sat-article-layout,.sat-product-layout,.sat-list-layout{margin-bottom:40px;}
.sat-layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:32px;align-items:start;}
.sat-list-layout .sat-layout-grid{grid-template-columns:240px minmax(0,1fr);}
.sat-content-main{padding-left:var(--h2-inset);min-width:0;}
.sat-page-main{padding-left:var(--h2-inset);min-width:0;}
.sat-cat-content{padding-left:var(--h2-inset);min-width:0;}
.page-type-page{--h2-inset:32px;}

/* ---------- toc / cat panels ---------- */
.sat-toc-aside{position:sticky;top:calc(var(--header-h) + 16px);max-height:calc(100vh - 100px);overflow:auto;}
.sat-toc-panel,.sat-cat-panel{border:1px solid var(--line-soft);border-radius:10px;background:var(--panel);padding:0;}
.sat-toc-panel>summary,.sat-cat-panel>summary{
  cursor:pointer;padding:12px 16px;font-weight:600;list-style:none;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
}
.sat-toc-panel>summary::-webkit-details-marker{display:none;}
.sat-toc-panel>summary::after,.sat-cat-panel>summary::after{content:"▾";color:var(--accent);transition:transform .2s;}
.sat-toc-panel[open]>summary::after,.sat-cat-panel[open]>summary::after{transform:rotate(180deg);}
.sat-toc-nav{padding:0 16px 14px;}
.sat-toc-nav ol{list-style:none;margin:0;padding:0;counter-reset:toc;}
.sat-toc-nav li{margin:6px 0;font-size:14px;color:var(--muted);}
.sat-toc-nav a{color:var(--muted);}
.sat-toc-nav a:hover{color:var(--accent);}
.sat-category-list{list-style:none;margin:0;padding:0 16px 14px;}
.sat-category-list li{margin:4px 0;}
.sat-category-list a{display:block;padding:8px 10px;border-radius:6px;color:var(--muted);}
.sat-category-list a:hover,.sat-category-list a.active{color:var(--accent);background:var(--panel-2);text-decoration:none;}

/* ---------- content typography ---------- */
.sat-h1{font-size:30px;line-height:1.3;margin:0 0 18px;color:#fff;}
.sat-content-main h2,.sat-page-main h2{
  font-size:22px;margin:30px 0 12px;padding-bottom:8px;
  border-bottom:1px solid var(--line-soft);color:#fff;
}
.sat-content-main h3,.sat-page-main h3{font-size:18px;margin:22px 0 10px;color:var(--accent);}
.sat-content-main p,.sat-page-main p{margin:14px 0;}
.sat-content-main ul,.sat-content-main ol,.sat-page-main ul,.sat-page-main ol{margin:14px 0;padding-left:22px;}
.sat-content-main li,.sat-page-main li{margin:8px 0;}
.sat-content-main strong,.sat-page-main strong{color:#fff;}
.sat-content-main blockquote,.sat-page-main blockquote{
  border-left:3px solid var(--accent);background:var(--panel);
  margin:16px 0;padding:12px 16px;border-radius:0 8px 8px 0;color:var(--muted);
}
.sat-content-main blockquote p{margin:6px 0;}

/* ---------- tables (M26 coverage) ---------- */
.sat-content-main table,table.sat-spec{
  width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;
  border:1px solid var(--line);
}
.sat-content-main table th,table.sat-spec th{
  background:#1b3a6b;color:#fff;border:1px solid var(--line);padding:9px 12px;text-align:left;
}
.sat-content-main table td,table.sat-spec td{
  border:1px solid var(--line);padding:8px 12px;color:var(--text);
}
.sat-content-main table tr:nth-child(even) td,table.sat-spec tr:nth-child(even) td{
  background:rgba(255,255,255,.04);
}

/* ---------- FAQ (bare details) ---------- */
.sat-content-main details{
  border:1px solid var(--line-soft);border-radius:8px;margin:14px 0;background:var(--panel);
}
.sat-content-main details>summary{
  cursor:pointer;padding:12px 16px;font-weight:600;color:var(--text);list-style:none;
  display:flex;gap:8px;align-items:center;
}
.sat-content-main details>summary::-webkit-details-marker{display:none;}
.sat-content-main details>summary::before{content:"Q";color:var(--accent);font-weight:700;}
.sat-content-main details[open]>summary{color:var(--accent);}
.sat-content-main details p{margin:0;padding:0 16px 14px;color:var(--muted);}

/* time / tags */
.sat-content-main time{color:var(--accent-2);font-size:13px;}
.sat-tag{display:inline-block;background:var(--panel-2);border:1px solid var(--line-soft);color:var(--muted);border-radius:999px;padding:2px 10px;font-size:12px;margin:2px 4px 2px 0;}

/* ---------- list cards ---------- */
.sat-card-grid{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;}
.sat-card{border:1px solid var(--line-soft);border-radius:12px;background:var(--panel);transition:transform .15s,border-color .15s;}
.sat-card:hover{transform:translateY(-3px);border-color:var(--accent);}
.sat-card-link{display:block;padding:18px;color:var(--text);}
.sat-card-link:hover{text-decoration:none;}
.sat-card-title{font-size:17px;margin:0 0 8px;color:#fff;}
.sat-card-desc{font-size:14px;color:var(--muted);margin:0 0 8px;}
.sat-card-meta{font-size:12px;color:var(--accent-2);margin:0;}

/* ---------- home ---------- */
.sat-hero{position:relative;padding:70px 16px 40px;text-align:center;overflow:hidden;
  background:radial-gradient(1200px 400px at 50% -10%,rgba(55,224,200,.18),transparent 60%),
             radial-gradient(800px 300px at 80% 10%,rgba(201,162,39,.12),transparent 60%);}
.sat-hero-inner{max-width:880px;margin:0 auto;}
.sat-hero-kicker{color:var(--accent);font-size:14px;letter-spacing:1px;margin:0 0 10px;}
.sat-hero-title{font-size:40px;line-height:1.25;margin:0 0 14px;color:#fff;}
.sat-hero-sub{font-size:17px;color:var(--muted);margin:0 0 22px;}
.sat-hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.sat-btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;}
.sat-btn-primary{background:linear-gradient(90deg,var(--accent),#2bbfb0);color:#04201c;}
.sat-btn-ghost{border:1px solid var(--accent);color:var(--accent);}
.sat-btn:hover{text-decoration:none;opacity:.92;}
.sat-hero-stats{max-width:880px;margin:34px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.sat-stat{background:var(--panel);border:1px solid var(--line-soft);border-radius:12px;padding:16px;}
.sat-stat-num{display:block;font-size:26px;font-weight:700;color:var(--accent);}
.sat-stat-label{font-size:13px;color:var(--muted);}

.sat-section{max-width:var(--maxw);margin:0 auto;padding:40px 16px;}
.sat-section-alt{background:var(--panel);}
.sat-section-title{font-size:26px;color:#fff;margin:0 0 8px;}
.sat-section-sub{color:var(--muted);margin:0 0 22px;}
.sat-prod-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.sat-prod-card{border:1px solid var(--line-soft);border-radius:14px;background:var(--panel-2);transition:transform .15s,border-color .15s;}
.sat-prod-card:hover{transform:translateY(-3px);border-color:var(--accent);}
.sat-prod-card a{display:block;padding:22px;color:var(--text);}
.sat-prod-card a:hover{text-decoration:none;}
.sat-prod-name{font-size:19px;margin:0 0 8px;color:#fff;}
.sat-prod-desc{font-size:14px;color:var(--muted);margin:0;}
.sat-kw-cloud{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px;}
.sat-kw{background:var(--panel-2);border:1px solid var(--line-soft);border-radius:999px;padding:8px 16px;color:var(--accent);font-size:14px;}
.sat-baseline-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.sat-baseline-card{border:1px solid var(--line-soft);border-radius:12px;background:var(--panel);padding:20px;}
.sat-baseline-title{font-size:17px;color:var(--accent);margin:0 0 8px;}
.sat-baseline-text{font-size:14px;color:var(--muted);margin:0;}
.sat-scenario-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;}
.sat-scenario{border-left:3px solid var(--accent-2);background:var(--panel);border-radius:0 10px 10px 0;padding:16px 18px;}
.sat-scenario-title{font-size:16px;color:#fff;margin:0 0 6px;}
.sat-scenario-text{font-size:14px;color:var(--muted);margin:0;}
.sat-feat-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}
.sat-feat-card{border:1px solid var(--line-soft);border-radius:12px;background:var(--panel);padding:18px;transition:border-color .15s;}
.sat-feat-card:hover{border-color:var(--accent);}
.sat-feat-card a{color:var(--text);}
.sat-feat-card a:hover{text-decoration:none;}
.sat-feat-title{font-size:16px;margin:0 0 8px;color:#fff;}
.sat-feat-desc{font-size:13px;color:var(--muted);margin:0;}

/* ---------- archive ---------- */
.sat-archive{max-width:var(--maxw);margin:0 auto;padding:10px 16px 40px;}
.sat-archive-sub{color:var(--muted);}
.sat-archive-group{margin:24px 0;}
.sat-archive-cat{font-size:20px;color:var(--accent);border-bottom:1px solid var(--line-soft);padding-bottom:6px;}
.sat-archive-list{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:8px 24px;}
.sat-archive-list li{padding:6px 0;}
.sat-archive-meta{font-size:12px;color:var(--accent-2);}

/* ---------- float capsule ---------- */
.sat-float{position:fixed;right:14px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:10px;z-index:80;}
.sat-float-btn{
  display:flex;align-items:center;gap:6px;width:46px;height:46px;justify-content:center;
  border:0;border-radius:999px;cursor:pointer;color:#04201c;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 6px 18px rgba(0,0,0,.45);transition:width .2s,background .2s;
}
.sat-float-btn:hover{width:auto;padding:0 14px;text-decoration:none;}
.sat-float-txt{display:none;}
.sat-float-btn:hover .sat-float-txt{display:inline;}
.sat-card-pop{position:fixed;inset:0;background:rgba(2,6,14,.78);display:flex;align-items:center;justify-content:center;z-index:100;}
.sat-card-pop[hidden]{display:none;}
.sat-card-pop-inner{position:relative;background:#fff;border-radius:12px;padding:8px;max-height:82vh;overflow:auto;}
.sat-card-img{display:block;width:auto;max-width:min(320px,80vw);max-height:74vh;height:auto;}
.sat-card-close{position:absolute;top:-12px;right:-12px;width:34px;height:34px;border-radius:50%;border:0;background:var(--accent);color:#04201c;font-size:20px;cursor:pointer;}

/* ---------- footer ---------- */
.sat-footer{background:#060B14;border-top:1px solid var(--line-soft);margin-top:40px;}
.sat-foot-inner{max-width:var(--maxw);margin:0 auto;padding:36px 16px 20px;}
.sat-foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.sat-foot-title{font-size:15px;color:var(--accent);margin:0 0 12px;}
.sat-foot-col ul{list-style:none;margin:0;padding:0;}
.sat-foot-col li{margin:6px 0;}
.sat-foot-col a{color:var(--muted);font-size:14px;}
.sat-foot-col a:hover{color:var(--accent);}
.sat-foot-note{font-size:13px;color:var(--muted);}
.sat-foot-mail{font-size:14px;color:var(--muted);}
.sat-foot-bar{border-top:1px solid var(--line-soft);margin-top:24px;padding-top:16px;text-align:center;color:var(--muted);font-size:13px;}

/* ---------- 404 ---------- */
.sat-notfound{max-width:680px;margin:60px auto;padding:0 16px;text-align:center;}
.sat-notfound-sub{color:var(--muted);margin:10px 0 24px;}

/* ---------- responsive (M25 folding @1024) ---------- */
@media (max-width:1024px){
  .sat-layout-grid,.sat-list-layout .sat-layout-grid{grid-template-columns:1fr;}
  .sat-toc-aside{position:static;max-height:none;margin-top:20px;}
  .sat-nav{position:absolute;top:var(--header-h);left:0;right:0;background:rgba(8,14,26,.98);
    border-bottom:1px solid var(--line-soft);display:none;flex-direction:column;padding:10px 16px;}
  .sat-nav.open{display:flex;}
  .sat-nav-list{flex-direction:column;gap:0;width:100%;}
  .sat-nav-has-sub .sat-nav-sub{position:static;display:block;background:none;border:0;box-shadow:none;padding:0 0 6px 12px;}
  .sat-nav-toggle{display:flex;}
  .sat-hero-title{font-size:30px;}
  .sat-hero-stats{grid-template-columns:repeat(2,1fr);}
  .sat-foot-cols{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .sat-hero-stats{grid-template-columns:1fr 1fr;}
  .sat-foot-cols{grid-template-columns:1fr;}
  .sat-h1{font-size:24px;}
}