@charset "UTF-8";
:root{--paper:#f6f5f1;--surface:#efeee9;--stone:#e5e5e0;--navy:#192e47;--ink:#39434b;--muted:#71797f;--blue:#315fc3;--teal:#5d8486;--copper:#9e8a76;--line:#d7d9d5;--radius-xs:2px;--radius-sm:4px;--radius-md:6px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:5px}img{max-width:100%;height:auto;display:block}figure{margin:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--navy)}h1{font-weight:650;letter-spacing:-1.8px}h2{font-size:36px;line-height:1.4;font-weight:550;letter-spacing:-1px;margin-bottom:22px}h3{font-size:20px;font-weight:550;line-height:1.55;margin-bottom:12px}p{margin-bottom:18px}figcaption{display:flex;justify-content:space-between;gap:12px;font-size:11px;letter-spacing:.3px;color:var(--muted);padding-top:12px;line-height:1.6}i{font-style:normal}.eyebrow{font-family:Arial,sans-serif;font-size:11px;letter-spacing:2.1px;color:var(--blue);line-height:1.5;margin-bottom:20px}.text-link{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;font-size:14px;color:var(--navy);padding:4px 0;border-bottom:1px solid #acb7c1}.text-link span{color:var(--blue)}.text-link:hover{border-color:var(--blue)}.download-btn{display:inline-flex;justify-content:space-between;align-items:center;gap:28px;background:var(--blue);color:white;padding:13px 23px;border-radius:var(--radius-xs);font-weight:500;font-size:14px;line-height:1.5;transition:background .2s}.download-btn:hover{background:#214b9d;color:white}.download-btn span{font-size:18px;line-height:1}.quiet{color:var(--muted);font-size:13px}.note-label{display:block;font-size:11px;color:var(--teal);letter-spacing:1.1px;margin-bottom:12px}.section-space{margin:100px auto}.skip-link{position:absolute;left:16px;top:-80px;z-index:50;background:var(--navy);color:#fff;padding:12px}.skip-link:focus{top:12px}.site-header{height:72px;border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:20}.header-inner{max-width:1420px;margin:auto;padding:0 40px;height:100%;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:11px;color:var(--navy);white-space:nowrap}.brand span{font-size:19px;line-height:1.3;font-weight:600;letter-spacing:.3px}.brand small{display:block;font:8px Arial,sans-serif;letter-spacing:1.6px;margin-top:6px;color:var(--muted)}.primary-nav{display:flex;align-items:center;gap:28px;margin-left:auto}.primary-nav a{font-size:13px;white-space:nowrap;position:relative;padding:22px 0}.primary-nav [aria-current=page]{color:var(--blue)}.primary-nav [aria-current=page]:after{content:"";height:2px;position:absolute;bottom:0;left:0;right:0;background:var(--blue)}.header-download{font-size:12px;padding:10px 16px;gap:22px;margin-left:10px}.menu-toggle{display:none;padding:12px;border:0;background:transparent;cursor:pointer}.menu-toggle span{display:block;width:22px;height:1.5px;background:var(--navy);margin:5px 0}
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