:root{
  --navy:#062b3b; --navy2:#0a4153; --teal:#0f766e; --teal2:#0b6670;
  --aqua:#26c6b5; --lime:#b8ef35; --gold:#d7ae38; --ink:#112a36;
  --muted:#607786; --bg:#edf5f7; --card:#ffffff; --line:#cfe4e7; --soft:#f3faf9;
  --shadow:0 14px 38px rgba(7,42,56,.12); --radius:18px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:
linear-gradient(180deg,#eff7f7 0,#f7fafb 46%,#edf4f6 100%);line-height:1.55}
a{color:inherit}.site-shell{min-height:100vh}
.brandbar{position:sticky;top:0;z-index:50;margin:0;background:
radial-gradient(circle at 88% -20%,rgba(184,239,53,.18),transparent 28%),
linear-gradient(115deg,var(--navy) 0%,#07475c 58%,#16735d 100%);color:white;
box-shadow:0 6px 24px rgba(4,34,47,.2)}
.brandbar:after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.14;background-image:
linear-gradient(30deg,transparent 48%,rgba(255,255,255,.4) 49%,rgba(255,255,255,.4) 50%,transparent 51%),
linear-gradient(-30deg,transparent 48%,rgba(255,255,255,.25) 49%,rgba(255,255,255,.25) 50%,transparent 51%);background-size:54px 32px}
.brand-inner{max-width:1480px;margin:auto;padding:15px 24px;display:flex;align-items:center;gap:14px;position:relative;z-index:1}
.brand-logo{width:58px;height:58px;border-radius:17px;background:rgba(255,255,255,.08);padding:4px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}
.brand-copy{min-width:0;flex:1}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);font-weight:800}.brand-title{font-size:21px;font-weight:800;line-height:1.15}.brand-sub{font-size:12px;color:#dcebee;margin-top:3px}.badge{white-space:nowrap;border:1px solid rgba(255,223,122,.6);background:rgba(215,174,56,.18);color:#fff7d0;border-radius:999px;padding:8px 14px;font-weight:800;font-size:12px}
.layout{max-width:1480px;margin:auto;display:grid;grid-template-columns:270px minmax(0,1fr);gap:24px;padding:24px}
.sidebar{position:sticky;top:104px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.sidebar-head{padding:16px 18px;background:linear-gradient(120deg,#effafa,#fbfff8);border-bottom:1px solid var(--line)}
.sidebar-head strong{display:block;font-size:14px}.sidebar-head span{font-size:11px;color:var(--muted)}
.nav{padding:9px}.nav a{display:flex;align-items:center;gap:10px;text-decoration:none;padding:10px 12px;border-radius:12px;color:#34525e;font-size:13px;font-weight:650;margin:2px 0}.nav a:hover{background:#edf9f7;color:var(--teal)}.nav a.active{background:linear-gradient(90deg,#e6faf6,#f7fde9);color:#075f60;box-shadow:inset 3px 0 0 var(--aqua)}.nav .num{width:24px;height:24px;border-radius:8px;background:#edf5f6;display:grid;place-items:center;font-size:11px;color:#63808a}.nav a.active .num{background:#d7f6ef;color:#075f60}
.progress{height:4px;background:#dfecee}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--aqua),var(--lime));width:0}
.main{min-width:0}.hero{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:36px;position:relative;overflow:hidden;margin-bottom:22px}.hero:before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;right:-150px;top:-175px;border:44px solid rgba(38,198,181,.08)}.kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:850;color:var(--teal)}h1{font-size:clamp(30px,4vw,48px);line-height:1.08;margin:8px 0 12px;color:#0a2c3a}h2{font-size:24px;margin:30px 0 12px;color:#0b4e5a}h3{font-size:17px;margin:22px 0 8px;color:#0b5962}.lead{font-size:17px;color:#4c6873;max-width:980px}.section-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 9px 28px rgba(8,45,58,.07);padding:26px;margin:18px 0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mini{background:linear-gradient(180deg,#fff,#f7fbfb);border:1px solid #d9e9eb;border-radius:14px;padding:16px}.mini strong{color:#075d63}.callout{border-left:4px solid var(--gold);background:#fffaf0;border-radius:12px;padding:15px 17px;margin:18px 0}.callout.teal{border-color:var(--aqua);background:#eefaf8}.callout.lime{border-color:var(--lime);background:#f8fce9}.callout b{color:#794f00}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.chip{border:1px solid #aadbd6;color:#0a6665;background:#f4fffc;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}.step-list{counter-reset:step;list-style:none;padding:0;margin:18px 0}.step-list li{counter-increment:step;position:relative;padding:12px 12px 12px 48px;margin:8px 0;background:#f8fbfc;border:1px solid #e0ecee;border-radius:12px}.step-list li:before{content:counter(step);position:absolute;left:12px;top:11px;width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,var(--teal),var(--aqua));color:white;font-weight:800;display:grid;place-items:center;font-size:12px}
.figure{margin:20px 0;background:#f7fafb;border:1px solid #dfeaec;border-radius:16px;padding:10px;overflow:hidden}.figure img{display:block;max-width:100%;width:100%;height:auto;border-radius:11px}.figure.contain img{object-fit:contain;max-height:620px;background:white}.figure figcaption{font-size:12px;color:#66808a;padding:8px 6px 2px}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.gallery .figure{margin:0}.gallery .figure img{height:270px;object-fit:contain;background:#fff}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.feature{padding:14px 15px;border:1px solid #d5e7e9;border-radius:13px;background:#fbfefe}.feature b{display:block;color:#075d63;margin-bottom:3px}.quote{font-size:18px;font-weight:800;color:#0a5260;background:linear-gradient(90deg,#effaf8,#f8fce9);border-radius:15px;padding:16px 18px;margin:16px 0}.table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}.table th,.table td{padding:12px;border-bottom:1px solid #dce9eb;text-align:left;vertical-align:top}.table th{color:#075d63;background:#eff8f8}.codecmd{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#082d3b;color:#eafffb;border-radius:9px;padding:3px 7px;white-space:nowrap;font-size:.92em}.pager{display:flex;justify-content:space-between;gap:14px;margin:26px 0 6px}.pager a{text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:13px;padding:12px 16px;font-weight:750;color:#0b6064;box-shadow:0 8px 20px rgba(8,45,58,.05)}.pager a:hover{border-color:#8ed8d1;background:#f0fbf8}.footer{max-width:1480px;margin:0 auto 30px;padding:0 24px 20px;color:#69818b;font-size:12px;text-align:center}.footer b{color:#0a5f63}.menu-btn{display:none;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:white;border-radius:10px;padding:8px 10px;font-size:18px}
.cover{min-height:calc(100vh - 90px);display:grid;place-items:center;padding:44px 24px}.cover-card{max-width:1180px;width:100%;border-radius:30px;background:linear-gradient(135deg,#062b3b,#0b5261 60%,#1d715c);color:#fff;box-shadow:0 26px 80px rgba(4,34,47,.25);overflow:hidden;position:relative}.cover-card:after{content:"";position:absolute;right:-120px;top:-100px;width:420px;height:420px;border-radius:50%;border:70px solid rgba(184,239,53,.09)}.cover-inner{position:relative;z-index:1;padding:72px 72px 56px}.cover-logo{width:86px;height:86px}.cover h1{color:white;font-size:clamp(42px,6vw,74px);max-width:900px}.cover .lead{color:#d8edf1;font-size:21px}.slogan{display:inline-block;margin:18px 0 8px;color:var(--lime);font-weight:850;font-size:20px}.cover-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.cover-actions a{text-decoration:none;border-radius:999px;padding:12px 18px;font-weight:800}.primary{background:var(--lime);color:#072e39}.secondary{border:1px solid rgba(255,255,255,.38);color:#fff;background:rgba(255,255,255,.06)}.cover-meta{margin-top:50px;font-size:13px;color:#b8d7dc;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:980px){.layout{grid-template-columns:1fr;padding:14px}.sidebar{position:fixed;left:12px;right:12px;top:84px;z-index:70;display:none;max-height:calc(100vh - 100px);overflow:auto}.sidebar.open{display:block}.menu-btn{display:block}.badge{display:none}.brand-title{font-size:17px}.brand-sub{display:none}.hero{padding:24px}.grid-2,.grid-3,.feature-list,.gallery{grid-template-columns:1fr}.gallery .figure img{height:auto}.cover-inner{padding:50px 28px}.cover{padding:20px 12px}.cover-card{border-radius:22px}}
@media print{.brandbar,.sidebar,.pager,.menu-btn{display:none!important}.layout{display:block;max-width:none;padding:0}.hero,.section-card{box-shadow:none;break-inside:avoid}.main{width:100%}.footer{display:none}.figure{break-inside:avoid}body{background:white}}