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#00000014;--shadow-xl:0 16px 48px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font-en:"Inter", system-ui, sans-serif;--font-cn:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--header-h:64px;--max-width:1200px;font-family:var(--font-cn);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px;line-height:1.6}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;background:0 0;border:none;font-family:inherit}ul{list-style:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.btn{border-radius:var(--radius-full);letter-spacing:.5px;white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:600;transition:all .25s;display:inline-flex}.btn-primary{background:var(--brand-gradient);color:var(--text-inverse);box-shadow:0 2px 8px #0066ff40}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0066ff59}.btn-outline{color:var(--text-primary);border:1.5px solid var(--border-light);background:0 0}.btn-outline:hover{border-color:var(--brand-blue);color:var(--brand-blue);background:#0066ff0a}.btn-lg{padding:16px 36px;font-size:17px}.section{padding:80px 0}.section-header{text-align:center;margin-bottom:56px}.section-label{letter-spacing:2px;text-transform:uppercase;color:var(--brand-blue);border-radius:var(--radius-full);background:#0066ff14;margin-bottom:16px;padding:6px 16px;font-size:13px;font-weight:700;display:inline-block}.section-title{font-family:var(--font-cn);color:var(--text-primary);letter-spacing:-.5px;margin-bottom:12px;font-size:38px;font-weight:800}.section-desc{color:var(--text-secondary);max-width:520px;margin:0 auto;font-size:17px}@media (width<=768px){.section{padding:48px 0}.section-header{margin-bottom:32px}.section-title{font-size:28px}.section-desc{font-size:15px}}