.civ7-page{--civ7-bg:var(--bg,#0a1420);--civ7-fg:var(--text,#fff);--civ7-muted:var(--text-soft,#c4c7c8);--civ7-line:var(--line-strong,#b9c8dc2e);--civ7-surface:var(--surface,#17202d);--civ7-accent:var(--accent,#b9c8dc);color:var(--civ7-fg);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif;font-size:16px;line-height:1.65}.civ7-page *,.civ7-page :before,.civ7-page :after{box-sizing:border-box}.civ7-page a{color:inherit;text-decoration:none}.civ7-page a:focus-visible{outline:2px solid var(--civ7-accent);outline-offset:5px;border-radius:2px}.civ7-page p,.civ7-page h1,.civ7-page h2,.civ7-page h3{margin-top:0}.civ7-page [id]{scroll-margin-top:28px}.civ7-shell{z-index:1;max-width:1180px;margin-inline:auto;padding:0 42px;position:relative}.civ7-header{border-bottom:1px solid var(--civ7-line);align-items:center;gap:40px;min-height:86px;display:flex}.civ7-wordmark{letter-spacing:-.9px;font-size:23px;font-weight:750}.civ7-wordmark-dot{color:var(--civ7-accent)}.civ7-header nav{color:var(--civ7-muted);align-items:center;gap:16px;font-size:13px;display:flex}.civ7-header nav a:hover,.civ7-breadcrumb a:hover{text-underline-offset:4px;text-decoration:underline}.civ7-language{border:1px solid var(--civ7-line);white-space:nowrap;border-radius:30px;margin-left:auto;padding:7px 13px;font-size:13px}.civ7-review{color:var(--civ7-muted);letter-spacing:.025em;padding-top:13px;font-size:12px}.civ7-skip{z-index:9;background:var(--civ7-fg);padding:12px 20px;position:absolute;transform:translateY(-150%);color:var(--civ7-bg)!important}.civ7-skip:focus{transform:translateY(0)}.civ7-hero{grid-template-columns:minmax(0,1fr) 150px;align-items:end;gap:64px;padding:68px 0 47px;display:grid}.civ7-eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--civ7-muted);margin-bottom:22px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.civ7-hero h1{letter-spacing:-.045em;max-width:740px;margin-bottom:20px;font-size:clamp(38px,4.8vw,61px);font-weight:630;line-height:1.12}:lang(zh-CN) .civ7-hero h1{letter-spacing:-.02em;font-weight:650}.civ7-subtitle{letter-spacing:-.02em;margin-bottom:22px;font-size:23px;line-height:1.4}.civ7-intro{max-width:660px;color:var(--civ7-muted);margin-bottom:0;font-size:15px;line-height:1.9}.civ7-edition{border-left:1px solid var(--civ7-line);color:var(--civ7-muted);padding:4px 0 4px 26px;font-size:12px}.civ7-edition-number{color:var(--civ7-fg);letter-spacing:-.07em;margin-bottom:5px;font:64px/1.05 ui-monospace,SFMono-Regular,Menlo,monospace;display:block}.civ7-edition-detail{border-top:1px solid var(--civ7-line);margin-top:22px;padding-top:15px;font-size:12px;line-height:1.9}.civ7-section-nav{border-block:1px solid var(--civ7-line);align-items:center;gap:10px;padding:17px 0;display:flex}.civ7-section-nav a{border:1px solid var(--civ7-line);border-radius:30px;padding:7px 17px;font-size:13px}.civ7-section-nav a:hover{background:var(--civ7-surface)}.civ7-section-nav a span{color:var(--civ7-muted);margin-left:7px;font:12px ui-monospace,monospace}.civ7-section-nav p{color:var(--civ7-muted);margin:0 0 0 auto;font-size:13px}.civ7-section{margin-top:42px}.civ7-section-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:21px;display:flex}.civ7-section-heading h2{letter-spacing:-.03em;margin:0;font-size:23px;font-weight:550}.civ7-section-heading>span{color:var(--civ7-muted);letter-spacing:.12em;font:12px ui-monospace,monospace}.civ7-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.civ7-card{border:1px solid var(--civ7-line);border-radius:18px;flex-direction:column;min-height:220px;padding:25px 28px 19px;transition:background .16s,border-color .16s;display:flex}.civ7-card:hover{background:var(--civ7-surface);border-color:var(--civ7-muted)}.civ7-card-top{color:var(--civ7-muted);letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;margin-bottom:19px;font:12px/1.5 ui-monospace,monospace;display:flex}.civ7-card-title{letter-spacing:-.03em;margin-bottom:5px;font-size:27px;font-weight:580;line-height:1.3}.civ7-original{color:var(--civ7-muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:13px;font-size:12px}.civ7-card-period{color:var(--civ7-muted);margin-bottom:12px;font-size:13px}.civ7-card-summary{color:var(--civ7-muted);max-width:450px;margin-bottom:22px;font-size:15px;line-height:1.85}.civ7-card-action{border-top:1px solid var(--civ7-line);color:var(--civ7-accent);justify-content:space-between;gap:20px;margin-top:auto;padding-top:14px;font-size:13px;display:flex}.civ7-card-action span{font-size:17px;line-height:1}.civ7-note{color:var(--civ7-muted);margin-bottom:22px;font-size:14px;line-height:1.85}.civ7-filters{flex-direction:column;gap:10px;margin-bottom:22px;display:flex}.civ7-filter-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.civ7-filter-row>div{flex-wrap:wrap;gap:8px;display:flex}.civ7-filter-label{color:var(--civ7-muted);letter-spacing:.08em;font-size:12px}.civ7-filter-chip{appearance:none;color:inherit;font:inherit;border:1px solid var(--civ7-line);cursor:pointer;background:0 0;border-radius:30px;min-height:40px;padding:8px 16px;font-size:13px;line-height:1.4}.civ7-filter-chip[aria-pressed=true]{background:var(--civ7-surface);border-color:var(--civ7-muted)}.civ7-page button:focus-visible{outline:2px solid var(--civ7-accent);outline-offset:3px}.civ7-filter-count{color:var(--civ7-muted);margin:0;font-size:13px}.civ7-filter-count span{font-variant-numeric:tabular-nums;min-width:2ch;display:inline-block}.civ7-filter-empty{color:var(--civ7-muted);margin:0;font-size:14px}.civ7-card[hidden],.civ7-age[hidden],.civ7-filter-empty[hidden],html[data-civ7-age=antiquity] .civ7-card[data-kind=civ]:not([data-age=antiquity]),html[data-civ7-age=exploration] .civ7-card[data-kind=civ]:not([data-age=exploration]),html[data-civ7-age=modern] .civ7-card[data-kind=civ]:not([data-age=modern]),html[data-civ7-age=antiquity] .civ7-age:not([data-age=antiquity]),html[data-civ7-age=exploration] .civ7-age:not([data-age=exploration]),html[data-civ7-age=modern] .civ7-age:not([data-age=modern]),html[data-civ7-src=base] .civ7-card:not([data-base]),html[data-civ7-src=dlc] .civ7-card:not([data-dlc]),html[data-civ7-src=free] .civ7-card:not([data-free]),html[data-civ7-src=unknown] .civ7-card:not([data-unknown]),html[data-civ7-src=the-achaemenid-deluxe-content-pack] .civ7-card:not([data-packs~=the-achaemenid-deluxe-content-pack]),html[data-civ7-src=world-conqueror-founders-content-pack] .civ7-card:not([data-packs~=world-conqueror-founders-content-pack]),html[data-civ7-src=high-shaman-founders-content-pack] .civ7-card:not([data-packs~=high-shaman-founders-content-pack]),html[data-civ7-src=base] .civ7-age:not(:has([data-base])),html[data-civ7-src=dlc] .civ7-age:not(:has([data-dlc])),html[data-civ7-src=free] .civ7-age:not(:has([data-free])),html[data-civ7-src=unknown] .civ7-age:not(:has([data-unknown])),html[data-civ7-src=the-achaemenid-deluxe-content-pack] .civ7-age:not(:has([data-packs~=the-achaemenid-deluxe-content-pack])),html[data-civ7-src=world-conqueror-founders-content-pack] .civ7-age:not(:has([data-packs~=world-conqueror-founders-content-pack])),html[data-civ7-src=high-shaman-founders-content-pack] .civ7-age:not(:has([data-packs~=high-shaman-founders-content-pack])){display:none}.civ7-age-title{letter-spacing:.08em;color:var(--civ7-fg);margin:0 0 14px;font-size:16px;font-weight:600}.civ7-age+.civ7-age{margin-top:32px}.civ7-empty{color:var(--civ7-muted);padding:50px 0}.civ7-footer{border-top:1px solid var(--civ7-line);color:var(--civ7-muted);justify-content:space-between;align-items:start;gap:30px;margin-top:68px;padding:24px 0 34px;font-size:12px;display:flex}.civ7-footer p{max-width:730px;margin:0}.civ7-footer>span{white-space:nowrap;letter-spacing:.08em;font:12px/1.8 ui-monospace,monospace}.civ7-breadcrumb{color:var(--civ7-muted);gap:12px;margin:31px 0;font-size:13px;display:flex}.civ7-article-header{border-bottom:1px solid var(--civ7-line);margin-bottom:36px;padding:12px 0 30px}.civ7-article-header .civ7-eyebrow{letter-spacing:.07em;margin-bottom:19px}.civ7-article-header h1{letter-spacing:-.035em;margin-bottom:8px;font-size:clamp(38px,4.7vw,59px);font-weight:600;line-height:1.18}.civ7-article-original{color:var(--civ7-muted);letter-spacing:.06em;margin-bottom:23px;font-size:14px}.civ7-deck{letter-spacing:-.01em;max-width:850px;margin:20px 0;font-size:21px;line-height:1.6}.civ7-meta{color:var(--civ7-muted);align-items:center;gap:10px;margin:0;font-size:13px;display:flex}.civ7-article-grid{grid-template-columns:minmax(0,1fr) 270px;align-items:start;gap:72px;display:grid}.civ7-prose{overflow-wrap:anywhere;max-width:720px;font-size:16px;line-height:1.85}:lang(zh-CN) .civ7-prose{letter-spacing:.01em;line-height:2}.civ7-prose h2{letter-spacing:-.02em;margin:39px 0 18px;font-size:23px;font-weight:600;line-height:1.4}.civ7-prose h2:first-child{margin-top:0}.civ7-prose p{margin-bottom:20px}.civ7-prose a[href^=\#source-]{vertical-align:super;color:var(--civ7-muted);margin-inline:3px;font-size:12px}.civ7-prose a:hover,.civ7-sources a:hover{text-underline-offset:3px;text-decoration:underline}.civ7-aside{font-size:12px;position:sticky;top:28px}.civ7-facts{border:1px solid var(--civ7-line);background:var(--civ7-surface);border-radius:18px;padding:22px 23px}.civ7-facts h2,.civ7-toc h2{letter-spacing:.06em;margin:0 0 18px;font-size:13px;font-weight:600}.civ7-facts dl{margin:0}.civ7-facts dl>div{border-top:1px solid var(--civ7-line);padding:11px 0}.civ7-facts dl>div:last-child{padding-bottom:0}.civ7-facts dt{color:var(--civ7-muted);margin-bottom:5px;font-size:12px}.civ7-facts dd{overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.75}.civ7-toc{padding:26px 2px}.civ7-toc-details>summary{cursor:pointer;list-style:none}.civ7-toc-details>summary::-webkit-details-marker{display:none}.civ7-toc-details>summary h2{justify-content:space-between;align-items:center;gap:12px;display:flex}.civ7-toc-details>summary h2:after{content:"";border-bottom:1.5px solid;border-right:1.5px solid;flex:none;width:7px;height:7px;transform:translateY(-2px)rotate(45deg)}.civ7-toc-details:not([open])>summary h2:after{transform:translateY(2px)rotate(-45deg)}.civ7-toc a{color:var(--civ7-muted);align-items:baseline;gap:11px;padding:5px 0;font-size:13px;line-height:1.6;display:flex}.civ7-toc a:hover{color:var(--civ7-fg)}.civ7-toc a span{font:12px ui-monospace,monospace}.civ7-related{border-block:1px solid var(--civ7-line);margin-top:38px;padding:23px 0}.civ7-related h2,.civ7-sources h2{margin-bottom:14px;font-size:15px;font-weight:600}.civ7-related>div{flex-wrap:wrap;gap:15px;display:flex}.civ7-related a{border:1px solid var(--civ7-line);border-radius:10px;gap:65px;padding:11px 16px;font-size:13px;display:flex}.civ7-related a:hover{background:var(--civ7-surface)}.civ7-sources{max-width:850px;padding-top:27px}.civ7-sources ol{margin:0;padding-left:22px;font-size:14px;line-height:1.65}.civ7-sources li{padding-left:3px;overflow-wrap:anywhere;padding-block:5px}.civ7-sources li span{color:var(--civ7-muted);font-size:12px;display:block}.civ7-pagination{border-top:1px solid var(--civ7-line);grid-template-columns:1fr 1fr;gap:25px;margin-top:32px;padding-top:25px;display:grid}.civ7-pagination>div:last-child{text-align:right}.civ7-pagination a{flex-direction:column;gap:5px;display:inline-flex}.civ7-pagination span{color:var(--civ7-muted);font-size:12px}.civ7-pagination strong{font-size:16px;font-weight:550}.civ7-back{margin-top:28px;font-size:13px;display:inline-block;color:var(--civ7-muted)!important}@media (width<=780px){.civ7-shell{padding-inline:24px}.civ7-header{gap:24px;min-height:74px}.civ7-hero{grid-template-columns:minmax(0,1fr) 115px;gap:25px;padding-top:43px}.civ7-edition{padding-left:20px}.civ7-edition-number{font-size:52px}.civ7-section-nav{flex-wrap:wrap;row-gap:12px}.civ7-section-nav p{flex-basis:100%;margin:0}.civ7-card{padding:23px}.civ7-article-grid{flex-direction:column;gap:30px;display:flex}.civ7-aside{order:-1;width:100%;position:static}.civ7-facts dl{grid-template-columns:1fr 1fr;gap:0 24px;display:grid}.civ7-prose{max-width:none}.civ7-deck{font-size:19px}}@media (width<=520px){.civ7-shell{padding-inline:21px}.civ7-header{gap:20px;min-height:70px}.civ7-header nav{gap:8px;font-size:13px}.civ7-header nav>span,.civ7-header nav>a:first-child{display:none}.civ7-wordmark{font-size:21px}.civ7-language{padding:6px 11px;font-size:13px}.civ7-review{font-size:12px}.civ7-hero{padding:36px 0 28px;display:block}.civ7-eyebrow{margin-bottom:18px;font-size:12px}.civ7-hero h1{margin-bottom:18px;font-size:39px;line-height:1.15}.civ7-subtitle{margin-bottom:18px;font-size:20px}.civ7-intro{font-size:15px;line-height:1.9}.civ7-edition{border-left:0;align-items:center;gap:10px;margin-top:25px;padding:0;display:flex}.civ7-edition-number{letter-spacing:-.06em;margin:0;font-size:26px;display:inline}.civ7-edition-detail{text-align:right;border:0;margin:0 0 0 auto;padding:0;font-size:12px}.civ7-section{margin-top:29px}.civ7-grid{grid-template-columns:1fr;gap:13px}.civ7-card{min-height:220px;padding:23px}.civ7-card-title{font-size:25px}.civ7-section-heading h2{font-size:21px}.civ7-section-heading>span{font-size:12px}.civ7-card-summary{font-size:15px}.civ7-footer{margin-top:40px;padding-bottom:26px;display:block}.civ7-footer p{margin-bottom:15px;font-size:13px}.civ7-article-header{margin-bottom:26px;padding-top:4px}.civ7-article-header h1{font-size:39px}.civ7-article-original{margin-bottom:18px;font-size:12px}.civ7-deck{font-size:18px;line-height:1.7}.civ7-article-header .civ7-eyebrow{font-size:12px}.civ7-facts{padding:19px}.civ7-facts dl{grid-template-columns:1fr;gap:0}.civ7-facts dd{font-size:14px}.civ7-prose{font-size:16px}.civ7-prose h2{margin-top:31px;font-size:21px}.civ7-breadcrumb{margin-block:25px}}@media (prefers-reduced-motion:reduce){.civ7-card{transition:none}}@media print{.civ7-header,.civ7-review,.civ7-toc,.civ7-pagination,.civ7-back,.civ7-related{display:none}.civ7-article-grid{display:block}.civ7-aside{position:static}.civ7-page{--civ7-fg:black;--civ7-muted:#444;--civ7-surface:white;color:#000;background:#fff}.civ7-page:before,.civ7-page:after{display:none}}.civ7-card{position:relative}.civ7-card-title{margin-top:0}.civ7-card-title a:after{content:"";border-radius:18px;position:absolute;inset:0}.civ7-card:focus-within{outline:2px solid var(--civ7-accent);outline-offset:4px}.civ7-breadcrumb ol{flex-wrap:wrap;gap:8px 12px;margin:0;padding:0;list-style:none;display:flex}.civ7-breadcrumb li{gap:12px;display:inline-flex}.civ7-footer>a{white-space:nowrap;min-height:24px}.civ7-prose .civ7-ref{vertical-align:super;font-size:12px;line-height:0}.civ7-prose .civ7-ref a,.civ7-source-back{vertical-align:baseline;justify-content:center;align-items:center;min-width:24px;min-height:24px;margin:0;font-size:12px;line-height:1;display:inline-flex}.civ7-sources li .civ7-external{font-size:inherit;display:inline}.civ7-page h1,.civ7-page h2,.civ7-page h3,.civ7-page h4{font-family:Manrope,Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif}:lang(zh-CN) .civ7-hero h1,:lang(zh-CN) .civ7-article-header h1,:lang(zh-CN) .civ7-card-title,:lang(zh-CN) .civ7-section-heading h2,:lang(zh-CN) .civ7-prose h2,:lang(zh-CN) .civ7-subtitle,:lang(zh-CN) .civ7-deck{letter-spacing:0}@media (width<=520px){.civ7-footer>a{margin-right:16px;display:inline-block}}.civ7-source-back{white-space:nowrap;gap:4px}