:root{--blue:#175c7d;--teal:#037e93;--mid:#1a6a89;--dark:#193f52;--ink:#1d2327;--muted:#646970;--bg:#f8f9fa;--line:#d5dce3;--soft:#e9ecef;--white:#fff;--green:#059669;--red:#dc3545;--shadow:0 8px 28px rgba(25,63,82,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}.topbar{height:72px;background:linear-gradient(105deg,var(--dark),var(--blue));display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:20;box-shadow:0 2px 12px rgba(0,0,0,.18)}.brand{display:flex;align-items:center;gap:18px;color:#fff;text-decoration:none;font-weight:700}.brand img{width:170px;height:auto}.brand span{border-left:1px solid rgba(255,255,255,.35);padding-left:18px;font-size:15px}.top-actions{display:flex;gap:20px;align-items:center}.top-actions a{color:#fff;text-decoration:none;font-size:14px;font-weight:600}.top-actions i{margin-right:6px}.plugin-btn{background:var(--teal);padding:9px 14px;border-radius:7px}.layout{display:grid;grid-template-columns:310px minmax(0,1fr);min-height:calc(100vh - 72px)}.sidebar{background:#fff;border-right:1px solid var(--line);position:sticky;top:72px;height:calc(100vh - 72px);overflow:auto;padding:18px 14px 70px}.search-wrap{height:46px;background:var(--blue);border-radius:8px;display:flex;align-items:center;padding:0 12px;color:#fff;margin-bottom:18px;box-shadow:0 5px 14px rgba(23,92,125,.18)}.search-wrap input{border:0;outline:0;flex:1;min-width:0;background:transparent;color:#fff;padding:0 10px;font-size:14px}.search-wrap input::placeholder{color:rgba(255,255,255,.78)}kbd{font:11px ui-monospace,monospace;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);padding:2px 6px;border-radius:4px;color:#fff}.nav-section{margin:20px 8px 7px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:7px;color:#334155;text-decoration:none;font-size:14px;margin:2px 0;transition:.16s}.nav-item i{width:18px;text-align:center;color:var(--mid)}.nav-item:hover,.nav-item.active{background:#eaf4f7;color:var(--blue)}.nav-item.active{font-weight:700;border-left:3px solid var(--teal);padding-left:8px}.sidebar-foot{position:fixed;bottom:0;left:0;width:309px;background:#fff;border-top:1px solid var(--line);padding:11px 22px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.sidebar-foot strong{color:var(--blue)}.content{max-width:1040px;width:100%;padding:54px 58px 90px;margin:0 auto}.hero{background:linear-gradient(130deg,var(--dark),var(--teal));border-radius:16px;color:#fff;padding:48px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-90px;top:-160px;border:55px solid rgba(255,255,255,.07)}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#bfeaf1}.hero h1{font-size:44px;line-height:1.08;margin:10px 0 16px;max-width:720px}.hero p{font-size:18px;max-width:720px;color:rgba(255,255,255,.88)}.hero-actions{display:flex;gap:12px;margin-top:26px}.button{display:inline-flex;align-items:center;gap:8px;border-radius:8px;padding:11px 16px;text-decoration:none;font-weight:700;font-size:14px}.button.primary{background:#fff;color:var(--blue)}.button.secondary{border:1px solid rgba(255,255,255,.45);color:#fff}.section-title{font-size:27px;margin:48px 0 18px;color:var(--dark)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:0 3px 13px rgba(25,63,82,.05);text-decoration:none;color:inherit;transition:.17s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#a9cbd7}.card-icon{width:44px;height:44px;border-radius:10px;background:#eaf4f7;color:var(--teal);display:grid;place-items:center;font-size:20px}.card h3{margin:14px 0 6px;color:var(--dark);font-size:17px}.card p{margin:0;color:var(--muted);font-size:14px}.page-head{padding-bottom:26px;border-bottom:1px solid var(--line)}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:16px}.page-head h1{font-size:38px;line-height:1.15;color:var(--dark);margin:0 0 12px}.lead{font-size:18px;color:#475569;max-width:840px}.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.badge{background:#eaf4f7;color:var(--blue);font-size:12px;font-weight:700;padding:5px 9px;border-radius:999px}.doc-section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:27px 30px;margin-top:22px}.doc-section h2{margin:0 0 12px;color:var(--dark);font-size:24px}.doc-section h3{color:var(--blue);margin-top:25px}.callout{border-left:4px solid var(--teal);background:#eef8fa;padding:15px 17px;border-radius:0 8px 8px 0;margin:18px 0}.callout strong{color:var(--dark)}.steps{counter-reset:step;list-style:none;padding:0}.steps li{counter-increment:step;position:relative;padding:3px 0 20px 52px;min-height:42px}.steps li:before{content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:#fff;font-weight:800}.benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.benefit{display:flex;gap:11px;padding:13px;background:var(--bg);border-radius:8px}.benefit i{color:var(--green);margin-top:4px}.module-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.module-row{background:#fff;border:1px solid var(--line);border-radius:9px;padding:16px;display:flex;gap:13px;align-items:flex-start;text-decoration:none;color:inherit}.module-row:hover{border-color:var(--teal)}.module-row i{color:var(--teal);font-size:18px;margin-top:4px}.module-row strong{display:block;color:var(--dark)}.module-row span{font-size:13px;color:var(--muted)}.empty{text-align:center;padding:70px 20px;color:var(--muted)}.empty i{font-size:42px;color:#b8c7ce;margin-bottom:15px}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}.sidebar-foot{display:none}.content{padding:30px 22px}.top-actions a:not(.plugin-btn){display:none}.cards{grid-template-columns:1fr}.module-list,.benefits{grid-template-columns:1fr}.hero{padding:32px}.hero h1{font-size:34px}}@media(max-width:560px){.brand span{display:none}.brand img{width:145px}.topbar{padding:0 15px}.plugin-btn{font-size:0}.plugin-btn i{font-size:14px;margin:0}.content{padding:24px 15px}.hero{padding:25px}.hero h1{font-size:29px}.hero-actions{flex-direction:column}}

.media-hero{margin-top:24px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.media-hero img{display:block;width:100%;aspect-ratio:16/7;object-fit:cover;object-position:top}
.media-caption{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;font-size:13px;color:var(--muted)}
.media-caption button,.text-button{border:0;background:var(--blue);color:#fff;border-radius:7px;padding:9px 12px;font-weight:700;cursor:pointer}.media-caption button:hover,.text-button:hover{background:var(--teal)}
.screenshot-block{margin:20px 0 30px}.screenshot-frame{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f3f6f8;box-shadow:0 5px 20px rgba(25,63,82,.08)}.screenshot-frame img{display:block;width:100%;height:auto}.screenshot-block h3{margin-bottom:8px}.screenshot-block p{color:var(--muted)}
.video-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0e2632}.video-card video{display:block;width:100%;max-height:620px;background:#000}.video-info{padding:15px 18px;background:#fff;color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:#fff;text-align:left;padding:17px 44px 17px 4px;font:inherit;font-weight:750;color:var(--dark);cursor:pointer;position:relative}.faq-question:after{content:'+';position:absolute;right:8px;top:13px;font-size:24px;color:var(--teal)}.faq-item.open .faq-question:after{content:'−'}.faq-answer{display:none;padding:0 34px 18px 4px;color:#475569}.faq-item.open .faq-answer{display:block}
.lightbox{position:fixed;inset:0;background:rgba(7,20,28,.92);z-index:999;display:none;padding:28px}.lightbox.open{display:flex;align-items:flex-start;justify-content:center;overflow:auto}.lightbox-stage{max-width:1500px;width:100%;margin:auto}.lightbox img{display:block;width:100%;height:auto;background:#fff;border-radius:8px}.lightbox-close{position:fixed;right:22px;top:18px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;color:var(--dark);font-size:20px;cursor:pointer;z-index:1000}
.module-toc{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.module-toc a{font-size:12px;font-weight:700;color:var(--blue);background:#eaf4f7;border-radius:999px;padding:6px 10px;text-decoration:none}.module-toc a:hover{background:#d8edf2}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-card{padding:15px;border:1px solid var(--line);border-radius:9px;text-decoration:none;color:var(--dark);font-weight:700;background:#fff}.related-card:hover{border-color:var(--teal);background:#f4fbfc}
@media(max-width:760px){.related-grid{grid-template-columns:1fr}.media-caption{align-items:flex-start;flex-direction:column}.lightbox{padding:66px 8px 12px}}