:root{--blue:#0876b9;--navy:#102b3f;--orange:#f39b28;--ink:#17242d;--muted:#6f7f88;--line:#dce6eb;--pale:#f3f7f9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:'Noto Sans SC',sans-serif;background:#fff}.container{width:min(1180px,calc(100% - 64px));margin:auto}.topline{font-size:12px;color:#687781;border-bottom:1px solid #edf1f3}.top-content{height:34px;display:flex;justify-content:space-between;align-items:center}.site-header{background:#fff;position:sticky;top:0;z-index:10;box-shadow:0 3px 16px #102b3f0d}.header-main{height:78px;display:flex;align-items:center;gap:48px}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--navy);min-width:245px}.brand-mark{background:var(--blue);color:#fff;font:800 18px Manrope;padding:10px 7px;letter-spacing:-1px}.brand strong{display:block;font-size:24px;line-height:1}.brand small{display:block;font:600 8px 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