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#2A6BB7;--blue-hover: #1e5a9e;--blue-light: #EEF4FB;--navy: #123B6D;--text: #123B6D;--text-muted: #5F6B7A;--bg: #ffffff;--bg-alt: #F5F7FA;--border: #D0DCEC;--shadow-sm: 0 2px 8px rgba(18, 59, 109, .06);--shadow-md: 0 4px 24px rgba(18, 59, 109, .1);--r-md: 16px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}.pp-nav{position:sticky;top:0;z-index:100;background:#fffffff5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.pp-nav-inner{max-width:860px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:16px}.pp-back{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;color:var(--navy);background:var(--bg-alt);border:1px solid var(--border);transition:background .2s,box-shadow .2s;flex-shrink:0}.pp-back:hover{background:var(--blue-light);box-shadow:var(--shadow-sm)}.pp-nav-brand{display:flex;align-items:center;gap:10px;color:var(--navy);flex:1;min-width:0}.pp-brand-name{font-size:.72rem;font-weight:700;line-height:1.3;color:var(--navy);text-transform:uppercase;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pp-main{flex:1;padding-bottom:80px}.pp-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:120px 24px;color:var(--text-muted)}.pp-spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:pp-spin .7s linear infinite}@keyframes pp-spin{to{transform:rotate(360deg)}}.pp-not-found{display:flex;flex-direction:column;align-items:center;gap:20px;padding:120px 24px;text-align:center;color:var(--text-muted)}.pp-not-found h1{font-size:1.4rem;color:var(--navy)}.pp-btn{display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff;font-weight:600;font-size:.95rem;padding:10px 22px;border-radius:50px;transition:background .2s}.pp-btn:hover{background:var(--blue-hover)}.pp-article-img-wrap{margin-bottom:28px;border-radius:var(--r-md);overflow:hidden;background:var(--bg-alt)}.pp-article-img{width:100%;max-height:480px;-o-object-fit:cover;object-fit:cover;display:block;border-radius:var(--r-md)}.pp-content-wrap{max-width:760px;margin:0 auto;padding:48px 24px 0}.pp-meta{display:flex;align-items:center;gap:16px;margin-bottom:20px;flex-wrap:wrap}.pp-category{font-size:.7rem;font-weight:700;letter-spacing:.08em;color:var(--blue);background:var(--blue-light);padding:4px 10px;border-radius:50px;text-transform:uppercase}.pp-date{font-size:.82rem;color:var(--text-muted);text-transform:capitalize}.pp-title{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;color:var(--navy);line-height:1.25;letter-spacing:-.02em;margin-bottom:28px}.pp-divider{height:3px;width:48px;background:var(--blue);border-radius:2px;margin-bottom:32px}.pp-body{font-size:1.05rem;line-height:1.8;color:var(--text)}.pp-body p{margin-bottom:1.2em}.pp-body h1,.pp-body h2,.pp-body h3,.pp-body h4{color:var(--navy);font-weight:700;line-height:1.3;margin:1.6em 0 .6em}.pp-body h2{font-size:1.45rem}.pp-body h3{font-size:1.2rem}.pp-body ul,.pp-body ol{padding-left:1.5em;margin-bottom:1.2em}.pp-body li{margin-bottom:.4em}.pp-body ul{list-style:disc}.pp-body ol{list-style:decimal}.pp-body strong{font-weight:700;color:var(--navy)}.pp-body em{font-style:italic}.pp-body a{color:var(--blue);text-decoration:underline}.pp-body blockquote{border-left:4px solid var(--blue);padding:12px 20px;margin:1.4em 0;background:var(--blue-light);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-muted);font-style:italic}.pp-body img{border-radius:var(--r-md);margin:1.4em auto;max-width:100%}.pp-body hr{border:none;border-top:1px solid var(--border);margin:2em 0}.pp-body code{background:var(--bg-alt);border:1px solid var(--border);border-radius:4px;padding:2px 6px;font-size:.9em;font-family:monospace}.pp-body pre{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--r-md);padding:16px;overflow-x:auto;margin-bottom:1.2em}.pp-body pre code{border:none;padding:0;background:transparent}.pp-footer-nav{margin-top:56px;padding-top:24px;border-top:1px solid var(--border)}.pp-back-link{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:600;color:var(--blue);transition:color .2s}.pp-back-link:hover{color:var(--blue-hover)}.pp-footer{background:var(--navy);color:#ffffffa6;text-align:center;font-size:.78rem;padding:20px 24px}@media (max-width: 600px){.pp-brand-name{display:none}.pp-content-wrap{padding:32px 20px 0}.pp-article-img{max-height:220px}}