:root{--navy: #0f2740;--navy-2: #14324f;--accent: #f97316;--accent-dark: #ea580c;--bg: #ffffff;--bg-alt: #f4f6f9;--text: #1f2937;--muted: #64748b;--border: #e2e8f0;--radius: 12px;--shadow: 0 10px 30px rgba(15, 39, 64, .1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,-apple-system,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}img{display:block;max-width:100%}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{max-width:1180px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:8px;font-size:16px;font-weight:600;transition:all .2s ease;white-space:nowrap}.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px)}.btn--ghost{border:2px solid 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