:root{--ink:#17191d;--text:#24262b;--muted:#666a70;--red:#b42332;--rust:#d35436;--blush:#f2e5e3;--paper:#faf9f7;--soft:#f0efec;--line:#dfdedb;--white:#fff;--measure:1180px;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--paper)}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;font-size:16px;line-height:1.72}h1,h2,h3,p,figure,dl{margin-top:0}h1,h2,h3{font-weight:760;line-height:1.3;color:var(--ink);letter-spacing:-.025em}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}a:focus-visible,button:focus-visible{outline:3px solid var(--rust);outline-offset:4px}img{display:block;max-width:100%;height:auto}button{font:inherit}.container{width:min(calc(100% - 48px),var(--measure));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:12px;z-index:200;padding:8px 16px;background:white;color:black}.skip-link:focus{top:10px}.site-header{background:var(--ink);color:#f8f7f5;border-bottom:3px solid var(--red)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:82px;gap:32px}.brand{display:flex;align-items:center;gap:12px;color:white;font-size:25px;line-height:1.1;font-weight:820;letter-spacing:.04em;white-space:nowrap}.brand:hover{color:white}.brand img{background:#fff;border-radius:4px;object-fit:contain}.brand small{display:block;margin-top:6px;color:#b8b9bf;font-size:10px;letter-spacing:.14em;font-weight:500}.site-nav{display:flex;align-items:center;gap:5px}.site-nav a{padding:11px 17px;color:#d1d2d5;font-size:14px;font-weight:650;border-radius:3px;transition:background .15s}.site-nav a:hover,.site-nav a[aria-current=page]{background:#323438;color:#fff}.nav-toggle{display:none}.home-main{padding-top:38px}.section-intro{max-width:890px;margin-bottom:36px}.eyebrow{font-weight:780;color:var(--red);letter-spacing:.12em;font-size:12px;margin-bottom:11px;text-transform:uppercase}.signal{display:inline-block;width:7px;height:7px;background:var(--red);border-radius:50%;vertical-align:middle;margin-right:7px}.section-intro h1{font-size:clamp(30px,4.2vw,50px);margin-bottom:12px}.section-intro>p:last-child{max-width:800px;color:var(--muted);line-height:1.9;font-size:16px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 17px;padding-bottom:13px;border-bottom:2px solid var(--ink)}.section-heading h2{font-size:23px;margin:0}.section-heading a{font-size:13px;color:var(--red);font-weight:710}.section-heading a:hover{text-decoration:underline}.front-grid{display:grid;grid-template-columns:minmax(0,2.05fr) minmax(260px,.95fr);gap:36px;align-items:start}.story{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:5px;overflow:hidden;transition:border-color .2s,transform .2s}.story:hover{border-color:#c2bdba}.story-cover{display:block;overflow:hidden;background:linear-gradient(130deg,#d1cbc4,#e9e3dd)}.story-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s}.story-cover:hover img{transform:scale(1.025)}.story-body{padding:20px}.story-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin-bottom:10px}.tag{display:inline-block;color:var(--red);background:var(--blush);border-radius:2px;padding:2px 8px;font-size:12px;font-weight:760;letter-spacing:.025em}.story h3{font-size:20px;margin:0 0 10px}.story p{color:var(--muted);font-size:14px;line-height:1.85;margin-bottom:12px}.text-link{font-size:13px;color:var(--red);font-weight:720}.text-link:hover{text-decoration:underline}.story-feature .story-body{padding:25px 26px}.story-feature h3{font-size:27px}.story-feature p{font-size:15px}.compact-stories{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.compact-stories .story h3{font-size:17px}.compact-stories .story-cover img{aspect-ratio:1.8}.compact-stories .story-body{padding:16px}.compact-stories .story p{font-size:13px}.side-panel{background:var(--soft);padding:25px 22px;border-top:4px solid var(--red)}.side-panel h2{font-size:22px;line-height:1.42;margin-bottom:18px}.topic-links{list-style:none;padding:0;margin:0;counter-reset:topic}.topic-links li{border-top:1px solid #d6d4d1}.topic-links a{display:flex;flex-direction:column;gap:7px;padding:17px 2px}.topic-links a:before{counter-increment:topic;content:'0' counter(topic);font-size:11px;color:var(--red);font-weight:800}.topic-links strong{font-size:15px;line-height:1.5}.topic-links span{font-size:12px;color:var(--muted)}.side-callout{padding:22px 23px;margin-top:18px;background:var(--ink);color:#f4f4f4;border-radius:3px}.side-callout .marker{font-size:12px;color:#f3a3a7;font-weight:800}.side-callout p{font-weight:650;line-height:1.7;margin:10px 0 18px}.side-callout a{color:#fff;font-size:13px;border-bottom:1px solid #777;padding-bottom:4px}.band{background:var(--blush);border-left:4px solid var(--red);display:grid;grid-template-columns:1fr 1fr;gap:45px;padding:42px;margin:55px 0}.band h2{font-size:30px;max-width:550px}.band p:not(.eyebrow){max-width:570px;color:#595054;font-size:15px;line-height:1.95}.button-link{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;background:var(--red);color:white;border-radius:3px;font-size:14px;font-weight:730;min-height:45px}.button-link:hover{background:#881b27;color:white}.progress-steps{display:grid;align-content:center;gap:11px}.progress-steps>div{display:grid;grid-template-columns:50px 1fr;grid-template-rows:auto auto;column-gap:12px;align-items:center;padding:13px 17px;background:#fff9f7;border:1px solid #e7d7d4}.progress-steps span{grid-row:1/3;font-size:24px;color:var(--red);font-weight:800}.progress-steps strong{font-size:15px}.progress-steps small{font-size:12px;color:var(--muted)}.section-block{margin:47px 0 65px}.two-stories{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.two-stories .story{display:grid;grid-template-columns:42% 58%}.two-stories .story-cover img{height:100%;aspect-ratio:4/5;object-fit:cover}.two-stories .story h3{font-size:19px}.two-stories .story-body{padding:20px}.site-footer{color:#e5e5e5;background:var(--ink);padding-top:39px}.footer-grid{display:flex;justify-content:space-between;gap:50px;padding-bottom:34px}.footer-grid>div{max-width:610px}.footer-grid strong{font-size:22px}.footer-grid p{color:#c2c1c5;font-size:13px;line-height:1.8}.footer-grid .footer-note{color:#96989e}.footer-grid nav{display:flex;gap:19px;align-items:start;flex-wrap:wrap;padding-top:6px}.footer-grid nav a{font-size:13px}.copyright{padding:14px 0 22px;border-top:1px solid #37383b;color:#9f9fa4;font-size:12px}.page-main{padding-block:25px 72px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:12px;margin-bottom:35px}.breadcrumbs a:hover{text-decoration:underline}.page-hero{max-width:910px;padding:22px 0 38px}.page-hero h1{font-size:clamp(32px,4.3vw,47px);margin-bottom:17px}.page-hero>p:last-child{max-width:840px;color:var(--muted);font-size:17px;line-height:1.9}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.news-grid .story h3{font-size:20px}.editorial-split{margin-top:60px;border-top:1px solid var(--line);padding-top:48px;display:grid;grid-template-columns:1.1fr 1fr;gap:80px}.editorial-split h2{font-size:29px}.editorial-split p{color:var(--muted);line-height:1.9}.note-stack{display:grid;gap:12px}.note-stack p{background:var(--soft);padding:17px 22px;margin:0;font-size:14px}.note-stack strong{color:var(--ink);font-size:15px}.community-hero{border-bottom:1px solid var(--line);margin-bottom:36px}.discussion-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.discussion-main .story-feature{display:grid;grid-template-columns:47% 53%;height:100%}.discussion-main .story-cover img{height:100%;aspect-ratio:1;object-fit:cover}.discussion-main .story-feature h3{font-size:24px}.discussion-questions{background:var(--soft);padding:26px}.discussion-questions h3{font-size:21px}.discussion-questions dl{margin:0}.discussion-questions dl>div{padding:12px 0;border-top:1px solid #d5d2ce}.discussion-questions dt{font-weight:750}.discussion-questions dd{margin:5px 0 0;color:var(--muted);font-size:14px}.article-main{padding-top:25px;padding-bottom:80px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:75px}.article-content{min-width:0}.article-head{padding-top:8px}.article-head h1{font-size:clamp(31px,4vw,46px);margin:18px 0}.article-lead{font-size:18px;line-height:1.9;color:#50545a}.article-meta{font-size:12px;color:var(--muted);margin:22px 0 26px;padding-bottom:19px;border-bottom:1px solid var(--line)}.article-image{margin-bottom:38px}.article-image img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft)}.article-image figcaption{font-size:12px;color:var(--muted);margin-top:9px}.article-section{margin:0 0 35px}.article-section h2{font-size:25px;margin:0 0 16px;padding-left:15px;border-left:4px solid var(--red)}.article-section p{font-size:16px;line-height:2.05;margin-bottom:17px;color:#3c4146}.article-end{display:flex;gap:20px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--red);font-weight:700}.article-aside{align-self:start;position:sticky;top:25px;background:var(--soft);padding:25px 22px}.article-aside h2{font-size:20px}.related-link{display:block;padding:15px 0;border-top:1px solid #d6d4d1}.related-link span{display:block;font-size:12px;color:var(--red);margin-bottom:6px}.related-link strong{font-size:14px;line-height:1.6;display:block}.aside-tip{border-top:2px solid var(--red);margin-top:20px;padding-top:18px}.aside-tip strong{font-size:14px}.aside-tip p{color:var(--muted);font-size:13px;margin:8px 0}.error-page{padding:90px 0 140px;text-align:center}.error-code{color:var(--red);font-weight:850;font-size:90px;line-height:1;margin:0}.error-page h1{font-size:32px}.error-page p:not(.error-code){color:var(--muted)}.error-actions{display:flex;justify-content:center;align-items:center;gap:22px;margin-top:25px;font-size:14px}.muted{color:var(--muted);font-size:12px}
@media(max-width:1050px){.front-grid{grid-template-columns:minmax(0,1.7fr) minmax(240px,1fr);gap:22px}.compact-stories{grid-template-columns:1fr}.compact-stories .story{display:grid;grid-template-columns:38% 62%}.compact-stories .story-cover img{height:100%;aspect-ratio:1;object-fit:cover}.band{gap:25px;padding:30px}.two-stories .story{display:block}.two-stories .story-cover img{aspect-ratio:16/9}.article-layout{gap:35px}.news-grid{gap:15px}.discussion-main .story-feature{display:block}.discussion-main .story-cover img{aspect-ratio:16/9}}
@media(max-width:760px){.container{width:min(calc(100% - 32px),var(--measure))}.header-inner{min-height:67px}.brand{font-size:21px}.brand img{width:35px;height:35px}.nav-toggle{display:grid;gap:5px;background:transparent;border:1px solid #626369;border-radius:3px;padding:9px;cursor:pointer}.nav-toggle span{display:block;height:2px;width:22px;background:white}.site-header .header-inner{position:relative}.site-nav{display:none;position:absolute;top:100%;left:0;right:0;z-index:30;background:var(--ink);padding:12px 16px 16px;box-shadow:0 9px 15px #17191d33}.site-nav.is-open{display:grid}.site-nav a{display:block;padding:12px}.home-main{padding-top:25px}.section-intro{margin-bottom:25px}.section-intro h1{font-size:33px}.front-grid{grid-template-columns:1fr}.side-column{display:grid;grid-template-columns:1fr 1fr;gap:15px}.side-callout{margin-top:0}.side-panel{padding:20px}.band{grid-template-columns:1fr;margin:38px 0}.two-stories .story{display:grid;grid-template-columns:40% 60%}.two-stories .story-cover img{height:100%;aspect-ratio:1}.page-main{padding-bottom:50px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-split{grid-template-columns:1fr;gap:20px}.discussion-feature{grid-template-columns:1fr}.discussion-main .story-feature{display:grid;grid-template-columns:40% 60%}.article-layout{grid-template-columns:1fr}.article-aside{position:static}.footer-grid{display:block}.footer-grid nav{padding-top:10px}.article-head h1{font-size:33px}}
@media(max-width:520px){body{font-size:15px}.section-intro h1{font-size:30px}.section-heading{gap:10px}.section-heading h2{font-size:20px}.section-heading a{font-size:12px}.story-feature .story-body{padding:18px}.story-feature h3{font-size:23px}.compact-stories{gap:12px}.compact-stories .story{display:block}.compact-stories .story-cover img{aspect-ratio:16/9}.side-column,.two-stories,.news-grid{grid-template-columns:1fr}.two-stories .story{display:block}.two-stories .story-cover img{aspect-ratio:16/9}.side-panel{padding:19px}.band{padding:23px 18px}.band h2{font-size:25px}.page-hero h1{font-size:32px}.page-hero>p:last-child{font-size:15px}.discussion-main .story-feature{display:block}.article-section h2{font-size:23px}.article-section p{font-size:15px}.article-head h1{font-size:30px}.article-lead{font-size:16px}.error-code{font-size:70px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}
@media print{.site-header,.site-footer,.article-aside,.nav-toggle{display:none}.article-layout{display:block}.container{width:100%}body{background:white;color:black}}

@media(max-width:760px){html:not(.js) .site-header .header-inner{flex-wrap:wrap}html:not(.js) .site-nav{display:flex;position:static;width:100%;box-shadow:none;flex-wrap:wrap;padding:0 0 12px}html:not(.js) .nav-toggle{display:none}}