:root{--red:#E8212E;--dark-red:#B90018;--blue:#1E63D6;--dark-blue:#102B6A;--light-blue:#2F8BFF;--text:#222222;--muted:#5F6472;--soft:#F6F8FF;--soft2:#F2F6FF;--soft-red:#FFF3F4;--footer:#071A46;--border:rgba(30,99,214,0.12);--shadow:0 16px 40px rgba(16,43,106,0.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FFFFFF;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75}body.drawer-open{overflow:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,0.94);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(16,43,106,0.08)}.desktop-header{height:78px;display:flex;align-items:center;gap:26px}.brand 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