:root{--navy:#062d52;--blue:#0878c9;--cyan:#23b7e5;--foam:#f4f9fd;--ink:#10283d;--white:#fff;--radius:18px;--shadow:0 14px 45px rgba(6,45,82,.12)}
.announcement{background:#062d52;color:#dff5ff}
.site-header{background:rgba(255,255,255,.97)}
.header-inner{height:88px}
.brand{flex:0 0 auto}
.brand-logo{display:block;width:auto;max-width:270px;max-height:76px;object-fit:contain}
.hero-content h1{max-width:620px;font-size:clamp(34px,4.7vw,60px);line-height:1.08;letter-spacing:-2px}
@media(max-width:900px){.header-inner{height:74px}.brand-logo{max-width:215px;max-height:62px}.main-nav{top:74px}.hero-content h1{font-size:42px;max-width:500px}}
@media(max-width:560px){.brand-logo{max-width:180px;max-height:54px}.hero-content h1{font-size:34px;line-height:1.1;letter-spacing:-1px}}