.site-header{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:18px 0 8px;position:relative;z-index:20}.site-header-inner{display:grid;grid-template-columns:42px 92px 1px minmax(0,1fr);align-items:center;column-gap:14px;min-height:68px;padding:10px 16px;border:1px solid rgba(255,255,255,.94);border-radius:24px;background:rgba(255,255,255,.68);box-shadow:0 12px 32px rgba(50,91,140,.1);backdrop-filter:blur(24px) saturate(150%)}.site-header-brand{display:inline-flex;align-items:center;justify-content:center;width:92px;height:48px;text-decoration:none}.site-header-brand img{display:block;width:92px;height:48px;object-fit:contain;mix-blend-mode:multiply}.site-header-divider{width:1px;height:28px;background:rgba(82,116,142,.22)}.site-header-title{min-width:0;margin:0;color:#29445d;font-size:clamp(20px,3vw,27px);font-weight:800;letter-spacing:-.035em;line-height:1.1;text-wrap:balance}.site-header-back,.site-header-back-slot{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px}.site-header-back{border:1px solid rgba(255,255,255,.95);border-radius:14px;background:rgba(235,243,249,.9);color:#4c718b;text-decoration:none;box-shadow:0 6px 16px rgba(53,101,140,.08);transition:transform .18s ease,background .18s ease,color .18s ease}.site-header-back-slot{visibility:hidden}.site-header-back svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.site-header-back:hover{background:#fff;color:#315fd5;transform:translateX(-2px)}.site-header-back:active{transform:translateX(-2px) scale(.97)}.site-header a:focus-visible{outline:3px solid #477dde;outline-offset:3px}@media(max-width:767px){.site-header{width:calc(100% - 24px);padding:10px 0 4px}.site-header-inner{grid-template-columns:38px 76px 1px minmax(0,1fr);min-height:58px;padding:7px 11px;column-gap:10px;border-radius:20px}.site-header-brand{width:76px;height:42px}.site-header-brand img{width:76px;height:42px}.site-header-divider{height:24px}.site-header-title{font-size:20px}.site-header-back,.site-header-back-slot{width:38px;height:38px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header,.site-header *{box-sizing:border-box}
body.library-page,body.play-page{margin:0}
.site-header-inner{height:68px;min-height:68px}
@media(max-width:767px){.site-header-inner{height:58px;min-height:58px}}