:root{--bg:#07101f;--bg2:#0c1730;--panel:#111f3e;--soft:#eef5ff;--white:#fff;--text:#18253b;--muted:#5f6f88;--line:#d8e4f5;--blue:#1788ff;--cyan:#43c7ff;--green:#65e6a8;--radius:24px;--shadow:0 22px 70px rgba(3,14,35,.16)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:#fff;line-height:1.65}a{color:inherit}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.narrow{width:min(800px,100%)}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:20px;top:20px;background:#fff;padding:12px;z-index:99}.site-header{position:sticky;top:0;z-index:50;background:rgba(6,15,31,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.09)}.nav-shell{display:flex;align-items:center;justify-content:space-between;min-height:78px}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}.brand img{width:52px;height:52px;border-radius:50%;object-fit:cover}.brand strong,.brand small{display:block}.brand strong{font-size:20px;line-height:1.05}.brand 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@media(max-width:900px){.site-nav{display:none;position:absolute;top:78px;left:20px;right:20px;background:#081328;padding:15px;border-radius:16px;flex-direction:column;align-items:stretch}.site-nav.open{display:flex}.nav-toggle{display:block;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.2);padding:9px 12px;border-radius:9px}.hero-grid,.split-layout,.lesson-layout{grid-template-columns:1fr}.hero-grid{padding:70px 0}.hero-visual{order:-1}.logo-orbit{width:min(320px,75vw)}.stat-grid,.timeline,.resource-grid,.values-grid,.card-grid.three,.footer-grid{grid-template-columns:1fr 1fr}.lesson-sidebar{position:static}.feature-grid{grid-template-columns:1fr}.feature-panel.large{grid-row:auto}.cta-box{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.shell{width:min(100% - 24px,1180px)}.brand small{display:none}.hero-grid{min-height:auto}.hero h1,.page-hero h1{font-size:43px}.hero p,.page-hero p{font-size:17px}.button-row,.hero-points{flex-direction:column;align-items:stretch}.stat-grid,.card-grid,.card-grid.three,.timeline,.resource-grid,.values-grid,.footer-grid{grid-template-columns:1fr}.stat-grid{transform:translateY(-25px)}.stat-grid div{border-right:0;border-bottom:1px solid var(--line)}.section{padding:65px 0}.cta-box{padding:32px}.footer-bottom{flex-direction:column;gap:8px}}
.service-links .service-info,.subtle-link{display:block;width:max-content;margin-top:8px;color:#4a6a90!important;background:transparent!important;padding:0!important;border-radius:0!important;font-size:13px;font-weight:800;text-decoration:none}
.notice{margin-top:1.5rem;padding:1rem 1.2rem;border:1px solid var(--line);border-radius:16px;background:#fff}
.notice.success{border-color:#9edfc4;background:#effcf6}.notice.error{border-color:#ffc1c1;background:#fff4f4}.contact-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:24px;align-items:start}.contact-hidden{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.contact-panel form{display:grid;gap:18px;margin-top:24px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-panel label{display:grid;gap:7px;font-weight:800;color:#24334a}.contact-panel input,.contact-panel select,.contact-panel textarea{width:100%;border:1px solid #cbd8ea;border-radius:12px;background:#fff;color:var(--text);font:inherit;padding:13px 14px}.contact-panel textarea{min-height:170px;resize:vertical}.contact-panel button{border:0;cursor:pointer;justify-self:start}.contact-panel .check-list div{background:#fff}@media(max-width:900px){.contact-layout,.form-row{grid-template-columns:1fr}}
.info-card>strong{display:block;font-size:2rem;margin:.4rem 0}
.lesson-intro{font-size:18px;color:var(--muted)}.lesson-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:22px 0}.lesson-points div{padding:15px 16px;border-radius:13px;background:var(--soft);border:1px solid var(--line);font-weight:700}.lesson-points div:before{content:'✓';color:#099b60;margin-right:8px}.action-box{margin-top:22px;padding:20px;border-left:4px solid var(--blue);background:#f2f8ff;border-radius:12px}.action-box strong{display:block;color:#0b72ca;text-transform:uppercase;font-size:12px;letter-spacing:.12em}.action-box p{margin:6px 0 0}.service-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.service-links a{padding:11px 14px;border-radius:10px;background:#071a34;color:#fff;text-decoration:none;font-weight:800}.network-help{background:linear-gradient(145deg,#07101f,#122c5a);color:#fff}.network-help p{color:#bed0e8}.resource-card a{display:block;margin-top:8px}.resource-card ul{padding-left:18px;color:var(--muted)}.brand-timeline{grid-template-columns:repeat(3,1fr)}.dark-check div{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#fff}@media(max-width:900px){.brand-timeline{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.lesson-points,.brand-timeline{grid-template-columns:1fr}}