:root{--blue:#0a8dd8;--aqua:#15b8aa;--ink:#073454;--cream:#f1fbfc}.logo{display:flex;align-items:center;width:150px;gap:10px}.logo img{display:block;width:100%;height:auto;max-height:40px;object-fit:contain;object-position:left center}.nav-cta{background:linear-gradient(105deg,#078fcf,#14b7a8);box-shadow:0 6px 16px #11aaab33}.button{background:linear-gradient(105deg,#078fcf,#14b7a8);box-shadow:0 8px 22px #0d9ebc3b}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 38%,#16b5a80d);pointer-events:none}.orb{background:radial-gradient(circle at 35% 28%,#b8f5ec 0%,#5cd0c8 25%,#1a88b8 60%,#0a3a6e 100%)}.product-window{display:grid;grid-template-columns:.8fr 1.45fr;align-items:center;gap:50px;padding-top:75px;padding-bottom:75px;background:linear-gradient(135deg,#effbff,#e9f9f5)}.product-window-copy h2,.ai-showcase h2{font-size:clamp(30px,3.6vw,50px);margin:0;line-height:1.17}.product-window-copy p,.ai-showcase p{color:var(--muted);font-size:17px}.product-window img{width:100%;border-radius:12px;box-shadow:0 24px 55px #07548b2e;border:8px solid #fff}.ai-showcase{display:grid;grid-template-columns:1fr 1.18fr;gap:60px;align-items:center;background:linear-gradient(120deg,#fff 0%,#eefcfb 100%)}.ai-showcase h2{max-width:600px}.ai-showcase img{width:100%;border-radius:18px;box-shadow:0 20px 45px #0d4a7430}.dark{background:linear-gradient(135deg,#06395e,#0b6c77)}.trust{background:linear-gradient(115deg,#f2fbff,#f1fffc)}@media(max-width:720px){.logo{width:132px}.product-window,.ai-showcase{grid-template-columns:1fr;gap:28px}.product-window{padding-top:55px;padding-bottom:55px}.product-window img{border-width:5px}.ai-showcase{gap:32px}}

/* ===== 移动端适配：logo 区紧凑（≤640px，不影响桌面端；brand.css 最后加载，覆盖 site.css） ===== */
@media(max-width:640px){
  .logo img.logo-sub-img{display:none}
  .logo img{height:26px;max-height:26px}
  .logo-text{font-size:19px}
  .logo{width:auto;gap:6px}
}