:root{color-scheme:light;--fiber-ink:#10223c;--fiber-muted:#4c5f74;--fiber-night:#051127;--fiber-cyan:#8bdcf9;--fiber-rule:#d9e2ed;--fiber-width:1180px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--fiber-ink);background:#fff;font-size:17px;line-height:1.9}a{color:inherit;text-underline-offset:5px}a:focus-visible{outline:3px solid #137baf;outline-offset:5px}img{max-width:100%;display:block}.fiber-wrap{width:min(var(--fiber-width),calc(100% - 72px));margin-inline:auto}.fiber-skip{position:absolute;top:-100px;left:20px;z-index:100;background:#fff;padding:12px}.fiber-skip:focus{top:8px}.fiber-mast{background:var(--fiber-night);color:#fff;border-bottom:1px solid #22324a}.fiber-nav{display:flex;align-items:center;justify-content:space-between;min-height:90px;gap:28px}.fiber-brand{font-weight:800;font-size:30px;letter-spacing:-1.6px;text-decoration:none;white-space:nowrap}.fiber-brand span{font-weight:500;color:var(--fiber-cyan)}.fiber-brand small{display:inline-block;letter-spacing:0;font-size:15px;font-weight:500;margin-left:18px;color:inherit}.fiber-nav nav{display:flex;gap:34px;font-size:15px}.fiber-nav nav a{text-decoration:none;opacity:.9}.fiber-nav nav a[aria-current],.fiber-nav nav a:hover{color:var(--fiber-cyan)}.fiber-hero{position:relative;min-height:665px;background:var(--fiber-night);color:#fff;overflow:hidden}.fiber-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 45%}.fiber-opening{position:relative;padding-block:108px 104px}.fiber-eyebrow{font-size:18px;color:var(--fiber-cyan);letter-spacing:.12em;margin:0 0 23px}.fiber-hero h1{font-size:clamp(44px,5.6vw,78px);line-height:1.19;letter-spacing:-.035em;margin:0 0 28px;font-weight:650}.fiber-hero h1 span{color:var(--fiber-cyan)}.fiber-lead{font-size:20px;line-height:1.85;max-width:750px}.fiber-hero .fiber-lead{font-size:17px;max-width:520px;margin-bottom:4px}.fiber-support{font-size:16px;color:#c5d2e4;max-width:500px;margin:0}.fiber-actions{display:flex;align-items:center;gap:30px;margin-top:32px}.fiber-button{display:inline-flex;justify-content:center;align-items:center;min-height:54px;padding:10px 24px;background:var(--fiber-cyan);color:#061831;border:1px solid transparent;text-decoration:none;font-weight:650;font-size:16px;border-radius:3px}.fiber-button:hover{background:#b1e8fc}.fiber-quiet{text-decoration:none;font-size:16px}.fiber-band{display:grid;grid-template-columns:1fr 1.05fr;gap:90px;padding-block:92px}.fiber-label{font-size:14px;letter-spacing:.09em;color:#496683;font-weight:600;margin:0 0 17px}.fiber-intro h2,h2{font-size:clamp(26px,3vw,37px);font-weight:600;line-height:1.45;letter-spacing:-.03em;margin:0 0 26px}.fiber-prose p{margin-top:0;color:var(--fiber-muted)}.fiber-textlink{display:inline-block;color:#155b7f;font-weight:650;font-size:16px;margin-top:10px;text-decoration:none;border-bottom:1px solid #83b3ca;padding-bottom:4px}.fiber-context{background:#edf4f9;padding-block:78px}.fiber-context h2{margin-bottom:40px}.fiber-chain{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;padding:0;margin:0;border-block:1px solid #b8cad9}.fiber-chain li{padding:30px 28px 22px;border-left:1px solid #b8cad9}.fiber-chain li:first-child{padding-left:0;border-left:0}.fiber-chain strong{font-size:23px;font-weight:600}.fiber-chain p{font-size:16px;color:var(--fiber-muted);margin:8px 0}.fiber-note{font-size:15px;color:var(--fiber-muted);margin:24px 0 0}.fiber-reading{padding-block:38px 98px}.fiber-stories{list-style:none;padding:0;margin:35px 0 0}.fiber-stories li{display:flex;align-items:center;justify-content:space-between;gap:45px;padding:32px 0;border-top:1px solid var(--fiber-rule)}.fiber-stories li:last-child{border-bottom:1px solid var(--fiber-rule)}.fiber-stories h3{font-size:23px;line-height:1.6;margin:8px 0 10px;font-weight:600;max-width:830px}.fiber-stories h3 a{text-decoration:none}.fiber-stories p{font-size:16px;color:var(--fiber-muted);max-width:740px;margin:0}.fiber-stories .fiber-textlink{flex-shrink:0}.fiber-close{background:#091a34;color:white;padding-block:76px}.fiber-closeinner{display:flex;align-items:center;justify-content:space-between;gap:50px}.fiber-close .fiber-label{color:var(--fiber-cyan)}.fiber-close h2{margin-bottom:0}.fiber-footer{background:var(--fiber-night);color:#d5e0ef;padding-block:55px}.fiber-footrow{display:flex;justify-content:space-between;gap:50px}.fiber-footer p{font-size:15px;margin:12px 0}.fiber-footer .fiber-legal{font-size:13px;color:#a4b6cc}.fiber-footer nav{display:grid;grid-template-columns:repeat(2,auto);align-content:start;gap:14px 40px;font-size:14px}.fiber-footer nav a{text-decoration:none}.fiber-page{padding-block:48px 100px}.fiber-crumb{font-size:14px;color:var(--fiber-muted);margin:0 0 40px}.fiber-crumb a{text-decoration:none}.fiber-pagehead{max-width:860px;margin-bottom:50px;padding-bottom:42px;border-bottom:1px solid var(--fiber-rule)}.fiber-pagehead h1{font-size:clamp(32px,4vw,51px);line-height:1.45;letter-spacing:-.025em;margin:0 0 22px;font-weight:600}.fiber-pagehead .fiber-lead{color:var(--fiber-muted);margin-bottom:0}.fiber-copy{max-width:790px;margin-left:calc((100% - 790px)/3)}.fiber-copy>section{margin-bottom:44px}.fiber-copy h2{font-size:26px;margin-bottom:15px}.fiber-copy p{margin:0;line-height:2.1}.fiber-related{border-top:1px solid var(--fiber-rule);padding-top:36px;margin-top:55px}.fiber-related a{display:block;margin:10px 0;color:#155b7f;text-decoration:none;font-size:16px}.fiber-article-main{max-width:1000px}.fiber-article .fiber-copy{margin-left:0}.fiber-article time{margin-left:18px;font-weight:400;letter-spacing:0}.fiber-page>.fiber-button{margin-right:25px}@media(max-width:760px){.fiber-wrap{width:calc(100% - 40px)}.fiber-nav{flex-wrap:wrap;gap:4px;min-height:114px;padding-block:13px}.fiber-brand{font-size:27px}.fiber-brand small{font-size:14px}.fiber-nav nav{width:100%;gap:0;justify-content:space-between;font-size:14px;padding-top:4px}.fiber-hero{min-height:595px}.fiber-hero>img{object-position:65% center;opacity:.56}.fiber-opening{padding-block:58px 65px}.fiber-hero h1{font-size:49px;line-height:1.23;margin-bottom:30px}.fiber-eyebrow{font-size:15px}.fiber-hero .fiber-lead{font-size:16px;max-width:315px}.fiber-support{font-size:15px;max-width:295px}.fiber-actions{gap:19px;align-items:flex-start;flex-wrap:wrap}.fiber-quiet{padding-block:12px;font-size:15px}.fiber-button{font-size:15px;padding-inline:20px}.fiber-band{grid-template-columns:1fr;gap:19px;padding-block:59px}.fiber-intro h2{font-size:30px}.fiber-context{padding-block:53px}.fiber-chain{grid-template-columns:1fr}.fiber-chain li,.fiber-chain li:first-child{border-left:0;border-bottom:1px solid #b8cad9;padding:21px 0 17px}.fiber-chain li:last-child{border-bottom:0}.fiber-chain strong{font-size:21px}.fiber-chain p{margin:5px 0}.fiber-reading{padding-block:16px 60px}.fiber-reading h2{font-size:29px}.fiber-stories li{display:block;padding-block:27px}.fiber-stories h3{font-size:22px}.fiber-stories .fiber-textlink{margin-top:18px}.fiber-close{padding-block:50px}.fiber-closeinner{display:block}.fiber-close h2{font-size:30px;margin-bottom:26px}.fiber-footrow{display:block}.fiber-footer nav{margin-top:28px;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.fiber-page{padding-block:30px 60px}.fiber-pagehead{margin-bottom:32px;padding-bottom:30px}.fiber-pagehead h1{font-size:32px}.fiber-pagehead .fiber-lead{font-size:18px}.fiber-copy{margin-left:0}.fiber-copy h2{font-size:24px}.fiber-copy p{font-size:17px;line-height:2}.fiber-copy>section{margin-bottom:34px}.fiber-crumb{margin-bottom:28px}.fiber-article time{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.fiber-hero h1 small{display:block;font-size:.4em;letter-spacing:-.02em;line-height:1.6;margin-bottom:8px}