/* Header geometry and responsive navigation match the deployed home + blog styles. */
.guide-site-header{height:78px;position:sticky;top:0;background:#fffffff5;backdrop-filter:blur(14px);z-index:20;border-bottom:1px solid #eef1f6;color:#172334;font:16px/1.65 'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
.guide-site-header .shell{width:calc(100% - 112px);max-width:1240px;margin-inline:auto}
.guide-site-header .nav{height:100%;display:flex;align-items:center;gap:55px}
.guide-site-header .brand{flex:none}.guide-site-header .brand img{width:108px;height:40px}
.guide-site-header .desktop-nav{display:flex;gap:30px;font-size:14px;font-weight:550}
.guide-site-header .desktop-nav a[aria-current=page]{color:#2f5df4;font-weight:700}
.guide-site-header .nav-actions{margin-left:auto;display:flex;align-items:center;gap:26px}
.guide-site-header .text-button{border:0;background:none;padding:8px 0;color:inherit;font-size:13px;white-space:nowrap}
.guide-site-header .button{display:inline-flex;align-items:center;justify-content:center;font-weight:650;border:0;border-radius:10px}
.guide-site-header .button-dark{background:#1c293a;color:#fff}
.guide-site-header .button-small{font-size:13px;min-height:42px;padding:11px 20px;gap:16px;white-space:nowrap}
.guide-site-header .button span{font-size:19px}
.guide-next-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.guide-next-actions .primary-button,.guide-next-actions .secondary-button{margin:0;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;font-size:14px;font-weight:650;border-radius:9px}
.guide-next-actions .secondary-button{border:1px solid #cad7ed;color:#345985;background:#f7faff}
.guide-next-actions .secondary-button:hover{background:#edf3ff;border-color:#8ba7d7}
.usage-entry-note{font-size:13px;color:#718095;line-height:1.8;margin:-4px 0 18px}
@media(max-width:1100px){.guide-site-header .shell{width:calc(100% - 64px)}.guide-site-header .nav{gap:24px}.guide-site-header .desktop-nav{gap:18px}.guide-site-header .nav-actions{gap:16px}}
@media(max-width:800px){.guide-site-header{height:auto}.guide-site-header .nav{flex-wrap:wrap;gap:10px 16px;padding-top:12px;padding-bottom:0}.guide-site-header .desktop-nav{display:flex;order:3;width:100%;gap:24px;overflow-x:auto;white-space:nowrap;padding:8px 0 12px;font-size:14px}.guide-site-header .nav-actions{margin-left:auto;gap:10px}.guide-site-header .nav-actions .button{padding:10px 13px;font-size:12px;gap:8px}.guide-site-header .nav-actions #home-member-link{margin-right:0}html{scroll-padding-top:126px}}
@media(max-width:600px){.guide-site-header .shell{width:calc(100% - 40px)}.guide-site-header .brand img{width:86px;height:auto}.guide-site-header .button-small{font-size:11px;min-height:38px}.guide-site-header .button-small span{font-size:14px}.guide-site-header .nav-actions #home-member-link{display:inline-flex;align-items:center;min-height:42px;font-size:11px}.guide-next-actions{grid-template-columns:1fr;gap:9px}.guide-next-actions .primary-button,.guide-next-actions .secondary-button{font-size:13px;min-height:52px}.usage-entry-note{font-size:12px}}