:root{--blue:#003a94;--blue-focus:#003a94;--icon-blue:#003a94;--ink:#1d1d1f;--muted:#6e6e73;--line:#e0e0e0;--bg:#f5f5f7;--panel:#fff;--panel-subtle:#fafafc;--side:#000;--soft:#fafafc;--soft-border:#0000000f;--red:#b42318;--radius:18px}[data-theme=dark]{--blue:#003a94;--blue-focus:#003a94;--icon-blue:#2997ff;--ink:#f5f5f7;--muted:#ccc;--line:#ffffff24;--bg:#000;--panel:#1d1d1f;--panel-subtle:#252527;--side:#000;--soft:#252527;--soft-border:#ffffff1f;--red:#ff8a80}body{background:var(--bg);color:var(--ink);letter-spacing:0;margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,sans-serif;font-size:17px;line-height:1.47}.shell{min-height:100vh;display:block}.side{background:var(--side);color:#fff;z-index:1030;justify-content:flex-start;align-items:center;gap:28px;width:100%;height:44px;padding:0 max(22px,50vw - 698px);display:flex;position:sticky;top:0}.brand{color:#fff;opacity:.92;flex:none;align-items:center;gap:10px;font-size:12px;font-weight:400;text-decoration:none;display:flex}.brand img{height:24px}.brand-word{text-overflow:ellipsis;white-space:nowrap;max-width:min(42vw,300px);display:inline-block;overflow:hidden}.brand strong{color:#fff;font-weight:600}.side nav{align-items:center;gap:22px;min-width:0;display:flex}.nav-link-next{color:#ffffffd6;white-space:nowrap;align-items:center;gap:6px;height:44px;font-size:12px;font-weight:400;text-decoration:none;display:inline-flex}.nav-link-next i{font-size:14px}.nav-link-next:hover,.nav-link-next.active{color:#fff}.mobile-nav-toggle{color:#fff;background:#ffffff1f;border:1px solid #ffffff29;border-radius:999px;justify-content:center;align-items:center;gap:7px;height:34px;padding:0 13px;font-size:13px;display:none!important}.topbar{-webkit-backdrop-filter:saturate(180%)blur(18px);backdrop-filter:saturate(180%)blur(18px);background:color-mix(in srgb, var(--bg) 82%, transparent);border-bottom:1px solid var(--line);z-index:1020;justify-content:space-between;align-items:center;gap:18px;min-height:56px;padding:8px max(22px,50vw - 698px);display:flex;position:sticky;top:44px}h1,.hero-title,.section-title h2,.auth-title{letter-spacing:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,sans-serif}h1{margin:0;font-size:21px;font-weight:600;line-height:1.19}.sub{color:var(--muted);margin-top:1px;font-size:12px;line-height:1.25}.btn-main,.btn-soft{border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:36px;padding:8px 16px;font-size:14px;font-weight:400;text-decoration:none;transition:transform .12s,border-color .12s,background-color .12s;display:inline-flex}.btn-main{background:var(--blue);border:1px solid var(--blue);color:#fff}.btn-main:hover,.btn-main:focus{background:var(--blue-focus);border-color:var(--blue-focus);color:#fff}.btn-soft{background:var(--soft);border:1px solid var(--soft-border);color:var(--ink)}.btn-main:active,.btn-soft:active,.theme-toggle:active{transform:scale(.95)}.btn-main:disabled,.btn-soft:disabled{opacity:.7;transform:none}.theme-toggle{flex:0 0 36px;width:36px;height:36px;padding-inline:0}.hero{background:var(--panel);min-height:min(720px,100vh - 100px);padding:clamp(56px,8vw,96px) max(22px,50vw - 568px)}[data-theme=dark] .hero{background:#000}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(360px,440px);align-items:center;gap:48px;max-width:1180px;margin:0 auto;display:grid}.hero-copy{max-width:640px}.eyebrow{color:var(--muted);margin-bottom:14px;font-size:17px;font-weight:600;line-height:1.24}.hero-title{margin:0;font-size:clamp(42px,7vw,64px);font-weight:600;line-height:1.05}.hero-lead{color:var(--muted);max-width:620px;margin:18px 0 0;font-size:clamp(19px,2.4vw,28px);line-height:1.35}.login-card{background:var(--panel-subtle);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.auth-title{margin:0;font-size:28px;font-weight:600;line-height:1.1}.auth-copy{color:var(--muted);margin:8px 0 22px;font-size:14px;line-height:1.43}.form-label{color:var(--muted);margin-bottom:7px;font-size:12px;font-weight:600}.form-control{background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:999px;min-height:48px;padding:11px 18px;font-size:17px}.form-control:focus{background:var(--panel);border-color:var(--blue-focus);box-shadow:0 0 0 .2rem color-mix(in srgb, var(--blue-focus) 18%, transparent);color:var(--ink)}.form-control::placeholder{color:var(--muted)}.auth-actions{gap:10px;margin-top:18px;display:grid}.auth-actions .btn-main,.auth-actions .btn-soft{width:100%;min-height:44px}.divider{color:var(--muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:16px 0;font-size:12px;display:grid}.divider:before,.divider:after{background:var(--line);content:"";height:1px}.alert-auth{background:color-mix(in srgb, var(--red) 10%, var(--panel));border:1px solid color-mix(in srgb, var(--red) 38%, var(--line));color:var(--red);border-radius:18px;gap:10px;margin-top:14px;padding:12px 14px;font-size:14px;line-height:1.35;display:flex}.legal{color:var(--muted);margin:18px 0 0;font-size:12px;line-height:1.45}.legal a{color:var(--blue);text-decoration:none}.details{background:var(--bg);padding:clamp(48px,6vw,80px) max(22px,50vw - 568px)}.section-title{max-width:1180px;margin:0 auto 24px}.section-title h2{margin:0;font-size:clamp(28px,4vw,40px);font-weight:600;line-height:1.1}.section-copy{color:var(--muted);max-width:560px;margin:10px 0 0;font-size:17px;line-height:1.47}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:1180px;margin:0 auto;display:grid}.feature{background:var(--panel-subtle);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.ico{background:var(--panel);border:1px solid var(--line);color:var(--icon-blue);border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.feature-title{margin-top:18px;font-size:17px;font-weight:600;line-height:1.24}.feature-copy{color:var(--muted);margin:6px 0 0;font-size:14px;line-height:1.43}.footer{color:var(--muted);padding:24px max(22px,50vw - 568px);font-size:12px;line-height:1.45}.footer a{color:var(--muted);text-decoration:none}.footer a:hover{color:var(--icon-blue)}@media (width<=980px){.side{flex-wrap:wrap;justify-content:space-between;gap:8px;height:auto;padding:6px 14px}.mobile-nav-toggle{display:inline-flex!important}.side nav{background:#1d1d1f;border:1px solid #ffffff1f;border-radius:18px;flex-direction:column;flex:0 0 100%;gap:8px;width:100%;margin-top:4px;padding:8px}.side nav.mobile-nav-menu.collapse:not(.show){display:none!important}.side nav.mobile-nav-menu.collapse.show,.side nav.mobile-nav-menu.collapsing{display:flex!important}.nav-link-next{border-radius:12px;justify-content:flex-start;width:100%;height:42px;padding:0 12px;font-size:15px}.topbar{padding:8px 14px;top:46px}.topbar>div:first-child{min-width:0}.topbar h1,.topbar .sub{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.topbar .action-label{display:none}.theme-toggle,.topbar .btn-soft{flex-basis:44px;width:44px;min-width:44px;height:44px;padding:0}.hero{min-height:auto;padding:48px 14px}.hero-grid,.feature-grid{grid-template-columns:1fr}}@media (width<=640px){.hero-copy{text-align:center}.login-card{padding:20px}.details{padding:48px 14px}}