:root{--navy:#0C1C2C;--navy-2:#12283C;--brand:#0F6DB0;--brand-600:#0B5A94;--brand-050:#EAF3FA;--gold:#C6923E;--gold-600:#AE7C2E;--ink:#17222E;--body:#33424f;--muted:#66788A;--line:#E7EDF3;--bg:#ffffff;--bg-soft:#F5F8FB;--bg-soft2:#EEF3F8;--radius:14px;--radius-sm:10px;--max:1200px;--read:44rem;--shadow-sm:0 1px 2px rgba(12,28,44,.06),0 2px 8px rgba(12,28,44,.05);--shadow-md:0 8px 30px rgba(12,28,44,.1);--shadow-lg:0 18px 50px rgba(12,28,44,.16);--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;--ease:cubic-bezier(.22,.61,.36,1)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--sans);color:var(--body);background:var(--bg);line-height:1.72;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{color:var(--ink);line-height:1.18;letter-spacing:-.02em;font-weight:750;margin:0}a{color:var(--brand);text-decoration:none;transition:color .15s var(--ease)}a:hover{color:var(--brand-600)}img{max-width:100%;height:auto;display:block}.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}.read{max-width:var(--read);margin:0 auto}.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}.eyebrow.gold{color:var(--gold-600)}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:15px;padding:12px 22px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease);white-space:nowrap}.btn:hover{text-decoration:none;transform:translateY(-2px)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px #0f6db047}.btn-primary:hover{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px #0f6db057}.btn-gold{background:var(--gold);color:#fff;box-shadow:0 6px 18px #c6923e47}.btn-gold:hover{background:var(--gold-600);color:#fff}.btn-ghost{background:#ffffff1a;color:#fff;border-color:#ffffff59;backdrop-filter:blur(4px)}.btn-ghost:hover{background:#ffffff2e;color:#fff}.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}.btn-outline:hover{border-color:var(--brand);color:var(--brand)}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent}.nav{display:flex;align-items:center;gap:10px;height:70px}.brand{font-weight:800;font-size:22px;letter-spacing:-.03em;margin-right:auto;color:var(--ink)}.brand span{color:var(--brand)}.nav-links{display:flex;align-items:center;gap:2px}.nav-links a{padding:9px 13px;border-radius:9px;color:var(--ink);font-size:14.5px;font-weight:550;transition:background .15s,color .15s}.nav-links a:hover{background:var(--bg-soft2);color:var(--brand)}.nav-cta{margin-left:6px}#pf-open{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 14px;cursor:pointer;font-size:14px;color:var(--muted);display:inline-flex;gap:7px;align-items:center;transition:border-color .15s,color .15s}#pf-open:hover{border-color:var(--brand);color:var(--brand)}.nav-toggle{display:none;border:0;background:none;font-size:26px;cursor:pointer;padding:4px;color:var(--ink);line-height:1}.site-header.solid{background:#ffffffeb;backdrop-filter:saturate(180%) blur(10px);box-shadow:var(--shadow-sm);border-bottom-color:var(--line)}.site-header.overlay:not(.solid) .brand{color:#fff}.site-header.overlay:not(.solid) .brand span{color:#bfe0f6}.site-header.overlay:not(.solid) .nav-links a{color:#ffffffeb}.site-header.overlay:not(.solid) .nav-links a:hover{background:#ffffff24;color:#fff}.site-header.overlay:not(.solid) .nav-toggle{color:#fff}.site-header.overlay:not(.solid) #pf-open{background:#ffffff1f;border-color:#ffffff57;color:#fff}.mobile-panel{display:none;flex-direction:column;padding:8px 0 16px;background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-md)}.mobile-panel.open{display:flex}.mobile-panel a{padding:13px 24px;color:var(--ink);border-bottom:1px solid var(--bg-soft)}.mobile-panel a:hover{background:var(--bg-soft)}@media(max-width:940px){.nav-links{display:none}.nav-toggle{display:block}}.hero{position:relative;min-height:82vh;display:flex;align-items:center;color:#fff;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:var(--navy);z-index:0}.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.62}.hero-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(105deg,#091420eb,#091420b8 42%,#0c1c2c4d)}.hero-inner{position:relative;z-index:2;padding:120px 0 90px;max-width:52rem}.hero h1{font-size:clamp(32px,5vw,54px);color:#fff;letter-spacing:-.03em;margin:16px 0 18px}.hero .lede{font-size:clamp(17px,2vw,20px);color:#d7e6f2;max-width:40rem;margin:0 0 30px}.hero-cta{display:flex;gap:14px;flex-wrap:wrap}.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}.hero-badges div{font-size:13px;color:#bcd0e0}.hero-badges b{display:block;font-size:22px;color:#fff;font-weight:750;letter-spacing:-.02em}.trust{background:var(--navy-2);color:#cfe0ee}.trust .wrap{display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;justify-content:center;padding:18px 24px}.trust .chip{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:#d6e6f2;font-weight:500}.trust .chip b{color:#fff}.trust .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}.section{padding:76px 0}.section.soft{background:var(--bg-soft)}.section.dark{background:var(--navy);color:#cfe0ee}.section.dark h2{color:#fff}.sec-head{max-width:42rem;margin:0 0 40px}.sec-head.center{margin:0 auto 46px;text-align:center}.sec-head h2{font-size:clamp(26px,3.2vw,36px);margin:10px 0 12px}.sec-head p{font-size:17px;color:var(--muted);margin:0}.section.dark .sec-head p{color:#9db6c8}.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.pillar{position:relative;border-radius:var(--radius);overflow:hidden;min-height:280px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.pillar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .5s var(--ease)}.pillar:hover img{transform:scale(1.06)}.pillar:after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,#09142000 30%,#091420db)}.pillar .p-body{position:relative;z-index:2;padding:22px}.pillar h3{color:#fff;font-size:19px;margin:0 0 4px}.pillar p{color:#d3e2ef;font-size:13.5px;margin:0}.pillar .arrow{margin-top:10px;font-size:13px;color:#bfe0f6;font-weight:600}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.card .thumb-wrap{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft2)}.card .thumb{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}.card:hover .thumb{transform:scale(1.05)}.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}.card .kicker{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);margin:0 0 8px}.card h3{font-size:17.5px;margin:0 0 8px;line-height:1.34}.card h3 a{color:var(--ink)}.card h3 a:hover{color:var(--brand)}.card .desc{font-size:14px;color:var(--muted);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card .meta{font-size:12.5px;color:var(--muted);margin-top:auto}.calc-band{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}.calc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;transition:transform .2s var(--ease),border-color .2s;display:flex;flex-direction:column;gap:6px}.calc-card:hover{transform:translateY(-3px);border-color:var(--brand)}.calc-card .ico{font-size:22px}.calc-card b{color:var(--ink);font-size:15.5px}.calc-card span{font-size:13px;color:var(--muted)}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.split img{border-radius:var(--radius);box-shadow:var(--shadow-md);aspect-ratio:4/3;object-fit:cover;width:100%}.split ul{list-style:none;padding:0;margin:20px 0 0}.split li{padding:10px 0 10px 30px;position:relative;color:var(--body)}.split li:before{content:"✓";position:absolute;left:0;top:9px;color:#fff;background:var(--brand);width:19px;height:19px;border-radius:50%;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:700}.pagehead{padding:110px 0 40px;background:var(--bg-soft);border-bottom:1px solid var(--line)}.pagehead .crumb{font-size:13px;color:var(--muted);margin-bottom:14px}.pagehead .crumb a{color:var(--muted)}.pagehead .crumb a:hover{color:var(--brand)}.pagehead h1{font-size:clamp(28px,3.6vw,42px);margin:0 0 12px}.pagehead p{font-size:17px;color:var(--muted);max-width:44rem;margin:0}.article{padding:0 0 72px}.art-hero{position:relative;height:clamp(280px,42vh,460px);overflow:hidden;background:var(--navy)}.art-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}.art-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#09142059,#091420d9)}.art-hero-inner{position:absolute;left:0;right:0;bottom:0;z-index:2;padding-bottom:34px}.art-hero .crumb{font-size:13px;color:#bcd0e0;margin-bottom:12px}.art-hero .crumb a{color:#cfe0ee}.art-hero h1{color:#fff;font-size:clamp(26px,3.6vw,42px);max-width:52rem;margin:0 0 14px}.art-meta{display:flex;align-items:center;gap:14px;color:#cfe0ee;font-size:14px}.art-meta .av{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.article.nohero .art-head{padding:120px 0 8px}.article.nohero h1{font-size:clamp(26px,3.6vw,40px);margin:0 0 12px}.article.nohero .art-meta{color:var(--muted)}.article.nohero .art-meta .av{color:#fff}.prose{font-size:17.5px;color:var(--body);padding-top:36px}.prose>*{max-width:var(--read);margin-left:auto;margin-right:auto}.prose h2{font-size:27px;margin:40px auto 14px;padding-top:6px}.prose h3{font-size:21px;margin:30px auto 10px}.prose p{margin:18px auto}.prose a{text-decoration:underline;text-underline-offset:2px}.prose img,.prose figure{border-radius:12px;margin:26px auto;box-shadow:var(--shadow-sm);max-width:min(760px,100%)}.prose figure img{margin:0;box-shadow:none}.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}.prose ul,.prose ol{padding-left:26px}.prose li{margin:8px auto}.prose blockquote{border-left:3px solid var(--gold);background:var(--bg-soft);border-radius:0 10px 10px 0;padding:12px 22px;margin:24px auto;color:#3d4c5a;font-style:italic}.prose table{border-collapse:collapse;width:100%;margin:22px auto;font-size:15px;box-shadow:var(--shadow-sm);border-radius:10px;overflow:hidden}.prose th{background:var(--bg-soft2);text-align:left}.prose th,.prose td{border:1px solid var(--line);padding:10px 13px}.prose hr{border:0;border-top:1px solid var(--line);margin:34px auto;max-width:var(--read)}.tagrow{max-width:var(--read);margin:34px auto 0;display:flex;flex-wrap:wrap;gap:9px}.tag{font-size:13px;background:var(--bg-soft2);color:#4a5b6b;padding:6px 13px;border-radius:20px;transition:all .15s}.tag:hover{background:var(--brand);color:#fff;text-decoration:none}.related{border-top:1px solid var(--line);margin-top:52px;padding-top:44px}.art-cta{max-width:var(--read);margin:44px auto 0;background:linear-gradient(120deg,var(--navy),var(--brand-600));color:#fff;border-radius:var(--radius);padding:30px 32px}.art-cta h3{color:#fff;font-size:21px;margin:0 0 8px}.art-cta p{color:#cfe0ee;margin:0 0 18px;font-size:15px}.site-footer{background:var(--navy);color:#a9bccc;padding:60px 0 30px}.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}.site-footer h4{color:#fff;font-size:14px;letter-spacing:.02em;margin:0 0 16px}.site-footer a{color:#a9bccc;font-size:14px;display:block;padding:5px 0}.site-footer a:hover{color:#fff}.foot-brand b{font-size:22px;color:#fff;font-weight:800;letter-spacing:-.02em}.foot-brand p{font-size:14px;max-width:22rem;margin:12px 0 0}.foot-legal{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;font-size:12.5px;color:#7f96a9;line-height:1.7}#pf-modal{display:none;position:fixed;inset:0;z-index:80;background:#0914208c;backdrop-filter:blur(3px)}#pf-modal.open{display:block}#pf-box{max-width:640px;margin:9vh auto;background:#fff;border-radius:16px;padding:22px;box-shadow:var(--shadow-lg)}.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}.reveal.in{opacity:1;transform:none}@media(max-width:960px){.pillars{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr;gap:28px}.foot-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.pillars,.foot-grid{grid-template-columns:1fr}.hero-inner{padding:104px 0 70px}.section{padding:56px 0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.reveal{opacity:1;transform:none;transition:none}.card,.pillar,.btn{transition:none}}