:root{color:#dce8ff;--bg:#08111f;--surface:#0b1b2f;--surface-strong:#0c2139;--border:#214b70;--text:#dce8ff;--muted:#9ab4cb;--accent:#63c8ff;--accent-strong:#68d8ff;background:#08111f;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.75}*{box-sizing:border-box}[hidden]{display:none!important}body{background:radial-gradient(circle at 70% 0,#153a63 0,var(--bg) 42rem);flex-direction:column;min-height:100svh;margin:0;display:flex}header{justify-content:space-between;align-items:center;gap:1rem;width:min(100%,1120px);margin:0 auto;padding:22px 28px;display:flex;position:relative}.brand{color:#fff;align-items:center;gap:10px;font-size:1.12rem;font-weight:800;text-decoration:none;display:flex}.brand img{filter:drop-shadow(0 0 9px #39b8ff);flex:none;display:block}.brand small{color:#93b1cf;font-size:.66rem;font-weight:500;line-height:1.1;display:block}.primary-nav{align-items:center;gap:12px;display:flex}.primary-nav>a,.app-menu summary{color:#bad8f5;border:1px solid #0000;border-radius:7px;align-items:center;min-height:40px;padding:6px 10px;font-size:.88rem;font-weight:700;text-decoration:none;display:inline-flex}.primary-nav>a:hover,.app-menu summary:hover{background:#0b2139;border-color:#2f638a}.nav-context{color:#91afca;font-size:.78rem}.app-menu{position:relative}.app-menu summary{cursor:pointer;list-style:none}.app-menu summary::-webkit-details-marker{display:none}.app-menu summary:after{content:"▾";color:#68d8ff;margin-left:7px}.app-menu[open] summary:after{content:"▴"}.app-menu-panel{z-index:20;background:#091a2c;border:1px solid #285477;border-radius:12px;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;width:min(620px,100vw - 32px);padding:14px;display:grid;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 18px 55px #020812cc}.app-menu-panel a{color:#cbeaff;border-radius:6px;align-items:center;min-height:40px;padding:7px 10px;font-size:.84rem;text-decoration:none;display:flex}.app-menu-panel a:hover,.app-menu-panel a[aria-current=page]{color:#fff;background:#123453}main{flex:1;width:min(100%,1120px);margin:0 auto;padding:20px 28px 64px}footer{text-align:center;color:#86a3bd;border-top:1px solid #20374f;flex-direction:column;align-items:center;gap:9px;margin-top:auto;padding:26px 28px;font-size:.82rem;display:flex}.footer-brand{width:158px;height:44px;overflow:hidden}.footer-brand img{width:264px;max-width:none;height:44px;display:block}h1,h2,h3{color:#f2f8ff;line-height:1.34}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{margin-top:2.4rem}a{color:#63c8ff}.hero,.article{background:#0b1b2fc7;border:1px solid #204263;border-radius:18px;padding:clamp(24px,5vw,52px);box-shadow:0 14px 45px #02081266}.eyebrow{color:#68d8ff;letter-spacing:.09em;font-size:.8rem;font-weight:700}.lead{color:#c3d9ee;font-size:1.15rem}.grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:30px;display:grid}.card{color:inherit;background:#0c2139;border:1px solid #214b70;border-radius:12px;padding:22px;text-decoration:none;display:block}.card h2{text-wrap:pretty;margin-top:0;font-size:1.2rem;line-height:1.4}.card:hover{border-color:#63c8ff;transform:translateY(-2px)}.meta{color:#91afca;font-size:.85rem}.notice{background:#0b2c47;border-left:3px solid #5ed0ff;border-radius:0 8px 8px 0;padding:16px 18px}.faq{padding-left:1.15rem}.faq dd{margin-inline-start:1.25rem}pre{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;max-width:100%;overflow:auto}pre code{white-space:inherit}pre.astro-code span{color:#dce8ff!important}@media (width<=640px){header{flex-direction:column;align-items:stretch;padding:17px 18px}.primary-nav{flex-wrap:wrap;gap:5px}.primary-nav>a,.app-menu summary{min-height:44px}.nav-context{order:3;width:100%}.app-menu{position:static}.app-menu-panel{grid-template-columns:repeat(2,minmax(0,1fr));width:calc(100vw - 36px);margin-top:6px;position:static}.hero h1{font-size:1.75rem}.card h2{font-size:1.15rem}.faq{padding-left:0}.faq dd{margin-inline-start:0}.app-menu,.app-menu-panel{width:100%}}.mobile-menu-toggle,.mobile-primary-panel{display:none}.mobile-menu-toggle{color:#cbeaff;cursor:pointer;background:#0b2139;border:1px solid #2f638a;border-radius:8px;place-items:center;width:44px;height:44px;padding:0}.menu-icon{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;width:24px;height:24px}.menu-icon-close,.mobile-menu-toggle[aria-expanded=true] .menu-icon-open{display:none}.mobile-menu-toggle[aria-expanded=true] .menu-icon-close{display:block}.mobile-primary-panel[hidden]{display:none!important}@media (width<=640px){header{flex-flow:wrap;align-items:center}.brand{min-width:0;margin-right:auto}.primary-nav{display:none}.mobile-menu-toggle{flex:0 0 44px;display:grid}.mobile-primary-panel:not([hidden]){background:#091a2c;border:1px solid #285477;border-radius:12px;flex:0 0 100%;width:100%;max-height:min(62dvh,520px);padding:10px;display:block;overflow-y:auto;box-shadow:0 18px 55px #020812cc}.mobile-primary-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;display:grid}.mobile-primary-nav a{color:#cbeaff;border-radius:7px;align-items:center;min-height:44px;padding:8px 10px;font-size:.84rem;text-decoration:none;display:flex}.mobile-primary-nav a:hover,.mobile-primary-nav a[aria-current=page]{color:#fff;background:#123453}.mobile-search-entry{border:1px solid #2f638a;grid-column:1/-1}}