:root{--ink:#142b4b;--muted:#59697c;--blue:#1452ac;--line:#d5dfe8;--paper:#f4f7f9;--mint:#bce9dd}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-underline-offset:5px}a:focus-visible,summary:focus-visible{outline:3px solid #16967e;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.3}a svg{width:22px;height:22px;flex:none}img{max-width:100%}.lc-header{height:82px;background:#fff;position:relative;z-index:5}.lc-header-inner{max-width:1360px;height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 38px}.lc-brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:24px;font-weight:750;letter-spacing:-.5px}.lc-brand small{font-size:15px;font-weight:500;letter-spacing:1px;margin-left:7px}.lc-wide-nav{display:flex;gap:38px;font-size:14px}.lc-wide-nav a{text-decoration:none}.lc-wide-nav [aria-current]{color:var(--blue)}.lc-mobile-nav{display:none}.lc-hero{height:610px;position:relative;overflow:hidden;background:#183750;color:#fff}.lc-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 50%}.lc-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,25,47,.93),rgba(7,25,47,.65) 36%,rgba(7,25,47,0) 76%)}.lc-hero-copy{position:relative;max-width:1284px;margin:auto;padding:84px 38px}.lc-overline{font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700;margin-bottom:20px}.lc-hero h1{font-size:clamp(37px,4.4vw,65px);letter-spacing:-1px;line-height:1.13;margin-bottom:26px}.lc-hero-copy>p:not(.lc-overline){color:#e0eaf3;font-size:18px;margin-bottom:32px}.lc-button{display:inline-flex;align-items:center;gap:27px;padding:14px 22px;background:var(--mint);color:#153e40;text-decoration:none;font-weight:650;border-radius:3px}.lc-button:hover{background:#d6f3eb}.lc-hero-secondary{display:block;width:fit-content;color:white;font-size:14px;margin-top:18px}.lc-photo-label{position:absolute;right:30px;bottom:22px;color:#fff;background:rgba(13,32,52,.65);padding:3px 10px;font-size:11px}.lc-wrap{max-width:1180px;padding-left:38px;padding-right:38px;margin:0 auto}.lc-intro{padding-top:80px;padding-bottom:54px;display:grid;grid-template-columns:1fr 1.7fr;gap:0 65px;align-items:start}.lc-intro>.lc-overline{grid-column:1;margin-top:9px}.lc-intro h2{grid-column:2;grid-row:1;font-size:34px;letter-spacing:-.7px}.lc-intro>p:last-child{grid-column:2;color:var(--muted);max-width:560px;margin-bottom:0}.lc-scenarios{display:grid;grid-template-columns:1fr 1fr;padding-bottom:80px;gap:58px}.lc-scenarios article{border-top:1px solid var(--line);padding-top:24px}.lc-step{font-size:12px;color:var(--muted);letter-spacing:1px}.lc-scenarios h2{font-size:27px;margin:19px 0 14px}.lc-scenarios p{color:var(--muted);max-width:440px}.lc-scenarios a{display:flex;gap:20px;align-items:center;font-size:14px;font-weight:650;width:fit-content}.lc-reading-section{padding-top:44px;padding-bottom:50px;background:var(--paper);max-width:none}.lc-reading-section>*{max-width:1104px;margin-left:auto;margin-right:auto}.lc-section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.lc-section-heading h2{font-size:26px}.lc-section-heading>a{font-size:14px}.lc-home-articles,.lc-index-list{display:grid;grid-template-columns:1fr 1fr;gap:44px}.lc-reading{display:block;text-decoration:none;border-top:1px solid #b9c9d8;padding:22px 0 12px}.lc-reading-kicker{color:#4c6787;font-size:12px}.lc-reading h3{font-size:22px;line-height:1.45;margin:14px 0 10px}.lc-reading p{color:var(--muted);font-size:14px}.lc-read-action{display:flex;align-items:center;gap:24px;font-size:13px;font-weight:650}.lc-reading:hover h3{text-decoration:underline;text-underline-offset:5px}.lc-last-note{padding-top:48px;padding-bottom:48px}.lc-last-note h2{font-size:21px}.lc-last-note p{font-size:14px;color:var(--muted);margin:0}.lc-footer{border-top:1px solid var(--line);max-width:1360px;margin:auto;padding:38px;display:grid;grid-template-columns:1fr auto;gap:20px;font-size:13px}.lc-footer b{font-size:20px}.lc-footer p{margin:4px 0;color:var(--muted)}.lc-footer nav{display:flex;gap:23px;align-items:start}.lc-footer-note{grid-column:1/-1;font-size:12px}.lc-document{max-width:1000px;padding:32px 38px 90px;margin:auto}.lc-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted);margin-bottom:50px}.lc-article{max-width:780px;margin:auto}.lc-document-title{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:32px}.lc-document h1{font-size:40px;letter-spacing:-.7px;line-height:1.4;margin-bottom:16px}.lc-document .lc-overline{color:var(--blue);margin-bottom:17px}.lc-article-meta{font-size:12px;color:var(--muted);margin-bottom:0}.lc-prose{font-size:16px;line-height:1.95}.lc-prose p{margin-bottom:23px}.lc-prose h2{font-size:25px;margin:43px 0 19px}.lc-prose a{color:var(--blue)}.lc-answer{font-size:20px;line-height:1.8;color:#1d3c61;font-weight:550}.lc-prose ol,.lc-prose ul{padding-left:23px}.lc-prose li{padding-left:5px;margin:14px 0}.lc-address-list{margin:30px 0}.lc-address-list>div{padding:22px 0;border-bottom:1px solid var(--line)}.lc-address-list dt{font:600 20px/1.6 ui-monospace,SFMono-Regular,monospace;overflow-wrap:anywhere}.lc-address-list dd{margin:6px 0 0;color:var(--muted)}.lc-help-choices{border-top:1px solid var(--line)}.lc-help-choices details{padding:20px 0;border-bottom:1px solid var(--line)}.lc-help-choices summary{font-size:18px;font-weight:600;cursor:pointer}.lc-help-choices p{margin:14px 0 2px}.lc-example{background:var(--paper);border-left:3px solid #4375ac;padding:22px 26px;margin:32px 0}.lc-example p{margin:8px 0 0}.lc-example ul{margin-bottom:0}.lc-source{border-top:1px solid var(--line);margin-top:42px;padding-top:6px;color:var(--muted)}.lc-source h2{font-size:17px;margin-top:23px}.lc-source p{font-size:13px}.lc-index-list{margin:35px 0}.lc-index-list .lc-reading h3{font-size:23px}.lc-missing{padding:50px 0 80px}.lc-missing .lc-button{margin-right:25px}@media(max-width:700px){.lc-header{height:68px}.lc-header-inner{padding:0 22px}.lc-brand{font-size:22px}.lc-brand img{width:27px;height:27px}.lc-brand small{font-size:13px}.lc-wide-nav{display:none}.lc-mobile-nav{display:block;position:relative;font-size:13px}.lc-mobile-nav summary{display:flex;gap:8px;align-items:center;cursor:pointer;list-style:none}.lc-mobile-nav summary::-webkit-details-marker{display:none}.lc-mobile-nav summary svg{width:22px;height:22px}.lc-mobile-nav nav{position:absolute;right:0;top:42px;width:168px;display:flex;flex-direction:column;padding:16px 22px;background:white;box-shadow:0 12px 28px #112c5333;gap:17px}.lc-mobile-nav nav a{text-decoration:none}.lc-hero{height:580px}.lc-hero-image{object-position:69% 50%}.lc-hero-shade{background:linear-gradient(180deg,rgba(6,23,45,.88),rgba(6,23,45,.58) 48%,rgba(6,23,45,.05) 90%)}.lc-hero-copy{padding:51px 25px}.lc-hero h1{font-size:42px;letter-spacing:-1px;margin-bottom:24px}.lc-hero-copy>p:not(.lc-overline){font-size:16px;margin-bottom:27px}.lc-hero-copy .lc-overline{font-size:11px;margin-bottom:22px}.lc-button{padding:13px 18px;font-size:14px;gap:23px}.lc-photo-label{font-size:10px;right:16px;bottom:16px}.lc-wrap{padding-left:25px;padding-right:25px}.lc-intro{display:block;padding-top:51px;padding-bottom:37px}.lc-intro h2{font-size:29px;margin-bottom:19px}.lc-intro>p:last-child{font-size:15px}.lc-scenarios{grid-template-columns:1fr;gap:34px;padding-bottom:48px}.lc-scenarios article{padding-top:20px}.lc-scenarios h2{font-size:25px;margin:13px 0 11px}.lc-scenarios p{font-size:15px}.lc-reading-section{padding-top:32px;padding-bottom:36px}.lc-section-heading{align-items:baseline}.lc-section-heading h2{font-size:23px}.lc-home-articles,.lc-index-list{grid-template-columns:1fr;gap:18px}.lc-reading h3{font-size:22px}.lc-last-note{padding-top:35px;padding-bottom:37px}.lc-last-note h2{font-size:20px}.lc-footer{padding:30px 25px;grid-template-columns:1fr;gap:14px}.lc-footer nav{gap:22px}.lc-footer-note{grid-column:1;font-size:11px}.lc-document{padding:23px 25px 60px}.lc-breadcrumb{margin-bottom:35px;font-size:11px;gap:9px}.lc-document h1{font-size:30px;line-height:1.45;letter-spacing:-.4px}.lc-document-title{padding-bottom:19px;margin-bottom:26px}.lc-prose{font-size:16px;line-height:1.9}.lc-answer{font-size:19px}.lc-prose h2{font-size:23px;margin-top:34px}.lc-address-list dt{font-size:17px}.lc-help-choices summary{font-size:17px}.lc-example{padding:19px 20px}.lc-index-list .lc-reading h3{font-size:22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}