@font-face{font-family:DM Sans;font-style:normal;font-weight:100 1000;font-display:swap;src:url(/fonts/dm-sans-latin.woff2)format("woff2")}:root{color-scheme:dark;--bg:#080f21;--surface:#101e37;--text:#f0f5ff;--muted:#b3c6e3;--accent:#35dcfa;--border:#304a70;--radius:10px;color:var(--text);background:var(--bg);font-synthesis:none;font-family:DM Sans,Segoe UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{background:radial-gradient(ellipse at 3% 54%,#14294366,transparent 45%),radial-gradient(ellipse at 95% 30%,#29335455,transparent 45%),var(--bg);margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,select,summary{cursor:pointer}button{color:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{border:0}img{object-fit:cover;max-width:100%;display:block}h1,h2,h3,p{margin:0}h2{letter-spacing:-.55px;font-size:23px;font-weight:800;line-height:1.2}h3{font-size:15px;line-height:1.25}p{line-height:1.5}a,button{transition:background .18s,border-color .18s,color .18s,transform .18s}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}section:focus{outline:none}svg{flex-shrink:0}.container{width:92%;max-width:1412px;margin-inline:auto}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--accent);color:var(--bg);padding:15px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:12px}.header{z-index:10;background:#0a142bf2;border-bottom:1px solid #80c5fb55;position:relative;box-shadow:0 3px 25px #01071c55}.header-inner{align-items:center;gap:28px;height:64px;display:flex}.brand{white-space:nowrap;letter-spacing:-.7px;align-items:center;gap:10px;font-size:24px;font-weight:900;display:inline-flex}.brand span{gap:5px;display:flex}.brand b{color:#a9bfff;font-weight:800}.desktop-nav{align-self:stretch;align-items:center;gap:25px;margin-inline:auto;display:flex}.desktop-nav a{place-items:center;min-height:44px;font-size:13px;display:grid;position:relative}.desktop-nav a.active,.desktop-nav a:hover{color:#87eaff}.desktop-nav a.active:after{content:"";background:var(--accent);width:100%;height:2px;position:absolute;bottom:0;box-shadow:0 0 12px #35dcfa99}.header-actions{align-items:center;gap:14px;display:flex}.search-trigger{text-align:left;width:210px;min-height:38px;color:var(--muted);background:#1b2942;border:1px solid #617ca4;border-radius:30px;align-items:center;gap:10px;padding:0 14px;font-size:12px;display:flex}.search-trigger kbd{opacity:.6;margin-left:auto;font-family:inherit}.search-trigger:hover{border-color:var(--accent);color:#fff}.locale-control{color:var(--muted);align-items:center;gap:2px;display:flex}.locale-control select{color:var(--text);background:0 0;border:0;max-width:82px;min-height:44px;padding:0 3px;font-size:12px}.locale-control option{background:var(--surface)}.icon-button{border:1px solid var(--border);min-width:44px;min-height:44px;color:var(--muted);background:0 0;border-radius:50%;place-items:center;display:inline-grid}.icon-button:hover{border-color:var(--accent);color:var(--accent)}.menu-toggle{display:none}.mobile-nav{padding:10px 0 18px}.mobile-nav a{border-radius:6px;padding:12px 15px;display:block}.mobile-nav a:hover{background:var(--surface)}[hidden]{display:none!important}.hero{isolation:isolate;background:#254869;height:330px;position:relative;overflow:hidden}.hero picture{z-index:-3;position:absolute;inset:0}.hero-art{object-position:center 57%;width:100%;height:100%}.hero-shade{z-index:-2;background:linear-gradient(90deg,#07172def 0%,#0a1b36da 22%,#081a3170 45%,#0a173311 67%),linear-gradient(#0000 65%,#080f2180);position:absolute;inset:0}.hero-inner{justify-content:space-between;align-items:center;height:100%;padding:8px 36px 20px;display:flex}.hero-copy{max-width:585px}.eyebrow{letter-spacing:1.5px;color:var(--accent);align-items:center;gap:9px;font-size:12px;font-weight:800;display:flex}.eyebrow-line{background:var(--accent);width:23px;height:2px}h1{letter-spacing:-3px;text-shadow:0 4px 18px #04102250;margin:7px 0;font-size:82px;font-weight:900;line-height:1.08}.title-dot{color:var(--accent)}.title-dot:after{content:"."}.hero-description{text-shadow:0 1px 5px #0008;max-width:510px;font-size:16px;line-height:1.5}.hero-buttons{gap:14px;margin-top:21px;display:flex}.button{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:17px;min-height:44px;padding:0 22px;font-size:13px;font-weight:800;line-height:1.3;display:inline-flex}.button.primary{background:var(--accent);color:#031523;border-color:#6cecff;box-shadow:0 0 20px #35dcfa30}.button.primary:hover{background:#90f0ff;transform:translateY(-1px)}.button.secondary{background:#101b38dd;border-color:#839dce;box-shadow:0 0 15px #8fa9ff22}.button.secondary:hover{background:#253b65}.hero-caption{text-align:right;text-shadow:0 2px 9px #05132e;align-self:flex-end;margin-bottom:26px;margin-right:5px}.hero-caption>span:first-child{letter-spacing:2px;font-size:9px;font-weight:800}.hero-caption p{margin-top:12px;font-size:23px;font-style:italic;line-height:1.2;transform:rotate(-7deg)}.caption-line{background:#b6e6ff;width:110px;height:1px;margin-top:17px;margin-left:auto;display:block;transform:rotate(-9deg)}.hero-grid{z-index:-1;background:linear-gradient(90deg,#0000,#07132688);width:5%;height:100%;position:absolute;top:0;right:0}.content{margin-top:-10px;position:relative}.panel{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(125deg,#162640e8,#0e192eed);box-shadow:inset 0 1px #95c0ff0a,0 8px 22px #03081722}.facts-bar{background:linear-gradient(110deg,#11213cef,#0a1530f5);border-color:#4d8dc0;grid-template-columns:1.1fr 1.4fr 1.35fr .8fr;min-height:66px;display:grid;box-shadow:0 0 22px #22b9f414}.fact{align-items:center;gap:17px;padding:13px 24px;display:flex;position:relative}.fact+.fact{border-left:1px solid #45618b60}.fact-icon{color:var(--accent);filter:drop-shadow(0 0 7px #36ceff55);display:flex}.fact-label{text-transform:uppercase;letter-spacing:.7px;color:#b2c6ff;margin-bottom:3px;font-size:10px;display:block}.fact strong{font-size:13px;font-weight:700}.live-dot{background:#7fe5b4;border-radius:100%;width:6px;height:6px;position:absolute;top:21px;right:17px;box-shadow:0 0 8px #8affb9}.overview{grid-template-columns:1.65fr 1fr;align-items:center;gap:38px;margin-top:12px;padding:18px 22px;display:grid}.overview h2{margin-bottom:7px}.overview-copy>p{color:#d4e0f3;max-width:810px;font-size:13px}.overview-side{border-left:1px solid #45618b60;flex-direction:column;align-items:flex-start;gap:10px;padding-left:30px;display:flex}.tags{flex-wrap:wrap;gap:7px;display:flex}.tags span{color:#c7dbf6;background:#25416455;border:1px solid #3d5a7b;border-radius:4px;padding:5px 9px;font-size:11px}.text-link{color:var(--accent);align-items:center;gap:9px;min-height:32px;font-size:12px;font-weight:700;display:inline-flex}.text-link:hover{color:#fff}.systems{margin-top:12px;padding:16px}.section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:13px;display:flex}.section-heading p,.section-sub{color:var(--muted);margin-top:4px;font-size:12px}.section-note{letter-spacing:1px;color:#78c5ee;align-items:center;gap:10px;font-size:9px;display:flex}.section-note i{background:var(--accent);width:42px;height:1px}.systems-layout{grid-template-columns:1.95fr 1fr;gap:15px;display:grid}.system-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.system-card{isolation:isolate;background:#122341;border:1px solid #527aa7;border-radius:8px;min-height:194px;position:relative;overflow:hidden}.system-card>img{z-index:-2;width:100%;height:100%;transition:transform .35s;position:absolute}.system-card-0>img{object-position:22% center}.system-card-3>img{object-position:45% center}.system-card:after{content:"";z-index:-1;background:linear-gradient(#10254d33 20%,#0a1834ef 78%,#08132b 100%);position:absolute;inset:0}.system-card:hover{border-color:var(--accent);transform:translateY(-3px)}.system-card:hover>img{transform:scale(1.045)}.card-copy{position:absolute;inset:auto 12px 12px}.card-copy h3{align-items:center;gap:7px;margin:4px 0 6px;font-size:15px;display:flex}.card-copy h3 svg{color:var(--accent)}.card-copy p{color:#d5e2f5;font-size:11px;line-height:1.4}.card-destination{color:#a3dcff;letter-spacing:.2px;align-items:center;gap:4px;font-size:9px;display:flex}.system-symbol{z-index:-2;background:radial-gradient(at 50% 30%,#7751cbaa,#281d5866 65%);place-items:center;display:grid;position:absolute;inset:0 0 40px}.system-symbol>svg{color:#b5a3ff;filter:drop-shadow(0 0 13px #8a58ff);fill:#7355c944;stroke-width:1px;margin-top:-26px;position:relative;transform:rotate(9deg)}.system-card-2 .system-symbol{background:radial-gradient(at 50% 25%,#389ecf99,#241b6455 65%)}.system-card-2 .system-symbol>svg{color:#acf4ff;fill:#aabfff33;filter:drop-shadow(0 0 13px #72c8ff)}.orb{border:1px solid #b5aaff33;border-radius:100%;width:112px;height:112px;position:absolute;top:3px;transform:rotate(-25deg);box-shadow:0 0 28px #ac8eff22,inset 0 0 18px #c3aaff22}.star{color:#e5d3ff;font-size:24px;position:absolute}.star.one{top:10%;left:20%}.star.two{font-size:17px;top:40%;right:17%}.featured{background:#071328aa;border:1px solid #254461;border-radius:8px;padding:10px 11px}.featured-header{justify-content:space-between;align-items:center;display:flex}.featured-header h3{color:var(--accent);font-size:14px}.featured-header p{color:var(--muted);margin-top:2px;font-size:10px}.featured-header>a{min-width:32px;min-height:32px;color:var(--accent);place-items:center;display:grid}.creature-image{border:1px solid #456d9b;border-radius:5px;height:115px;margin-top:8px;display:block;position:relative;overflow:hidden}.creature-image img{object-position:center 45%;width:100%;height:100%;transition:transform .3s}.creature-image:hover img{transform:scale(1.04)}.creature-image>span{background:#09182de8;border:1px solid #83bdea66;border-radius:4px;align-items:center;gap:6px;padding:4px 7px;font-size:10px;display:flex;position:absolute;bottom:7px;right:7px}.featured-foot{color:var(--muted);margin-top:7px;line-height:1.5;font-size:10px!important}.middle-grid{grid-template-columns:1fr 1fr;gap:14px;margin-top:12px;display:grid}.platforms{padding:17px}.platforms h2{font-size:21px}.platform-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.platform-card{background:linear-gradient(140deg,#203b64bb,#172744);border:1px solid #365882;border-radius:8px;align-items:flex-start;gap:8px;min-height:103px;padding:13px 10px;display:flex;position:relative}.platform-card>svg{color:#70cfff;filter:drop-shadow(0 0 6px #59aaf74d);width:23px}.platform-card h3{margin:1px 0 7px;font-size:12px}.platform-card p{color:#c9d9f1;font-size:10px;line-height:1.4}.platform-arrow{opacity:0;color:var(--accent);position:absolute;top:5px;right:6px}.platform-card:hover{background:#244368;border-color:#5b9bc9}.platform-card:hover .platform-arrow{opacity:1}.platform-note{color:#b7c8df;align-items:center;gap:6px;margin-top:10px;font-size:10px;display:flex}.platform-note>span{border:1px solid #698bad;border-radius:50%;flex-shrink:0;place-items:center;width:12px;height:12px;font-size:9px;display:inline-grid}.news{isolation:isolate;padding:17px 20px;position:relative;overflow:hidden}.news>img{z-index:-3;object-position:right center;width:100%;height:100%;position:absolute;inset:0}.news-shade{z-index:-2;background:linear-gradient(90deg,#0b1835 0%,#10233aef 43%,#11213ca0 72%,#11213c33);position:absolute;inset:0}.news-copy{max-width:87%}.news .eyebrow{letter-spacing:1px;font-size:10px}.news h2{margin:7px 0 4px;font-size:21px;line-height:1.2}.news time{color:#b5cae7;font-size:11px}.news-description{color:#d6e4f4;margin:7px 0 12px;font-size:11px;line-height:1.5}.button.small{border-radius:6px;gap:10px;min-height:34px;padding:0 13px;font-size:11px}.bottom-grid{grid-template-columns:1.35fr 1fr .9fr;gap:13px;margin-top:12px;display:grid}.bottom-grid>.panel{padding:15px}.bottom-grid h2{font-size:19px}.bottom-grid .section-sub{margin-top:3px;font-size:10px}.start-cards{grid-template-columns:1fr 1fr;gap:8px;margin-top:11px;display:grid}.start-cards>a{background:#1c304edb;border:1px solid #304d75;border-radius:7px;align-items:center;gap:9px;min-height:63px;padding:12px;display:flex;position:relative}.start-cards>a>svg{color:#77cbff}.start-cards>a:nth-child(2)>svg{color:#b594ff}.start-cards>a:nth-child(4)>svg{color:var(--accent)}.start-cards h3{margin-bottom:3px;font-size:11px}.start-cards p{color:var(--muted);font-size:9px}.start-cards>a>span{color:#86b6da;font-size:12px;position:absolute;top:6px;right:8px}.start-cards>a:hover{background:#264462;border-color:#689eca}.faq-list{margin-top:10px}.faq details{background:#0c1a31;border:1px solid #2b4265;border-radius:5px;margin-bottom:5px}.faq summary{justify-content:space-between;align-items:center;gap:8px;min-height:35px;padding:9px 10px;font-size:11px;line-height:1.4;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary>span{color:#b0cbea;font-size:17px;font-weight:400;line-height:1}.faq details[open] summary{color:var(--accent)}.faq details[open] summary>span{transform:rotate(45deg)}.faq details>p{color:var(--muted);padding:0 10px 12px;font-size:11px}.official-grid{grid-template-columns:1fr 1fr;gap:7px;margin-top:12px;display:grid}.official-grid>a{background:#1c2e4b;border:1px solid #37567d;border-radius:20px;align-items:center;gap:6px;min-height:34px;padding:6px 10px;font-size:10px;line-height:1.3;display:flex}.official-grid>a:hover{background:#28466c;border-color:#68d3ef}.footer{justify-content:space-between;align-items:center;gap:22px;padding:19px 2px 21px;display:flex}.footer-brand{align-items:center;gap:18px;display:flex}.footer .brand{letter-spacing:-.5px;font-size:16px}.footer-brand>p{color:#99aecf;max-width:740px;font-size:9px;line-height:1.6}.footer-brand>p>span{color:#92a9c8}.footer-end{align-items:center;gap:15px;display:flex}.footer-locales{white-space:nowrap;gap:12px;font-size:10px;display:flex}.footer-locales a{color:var(--muted);padding-block:12px}.footer-locales a[aria-current]{color:var(--accent)}.back-top{width:34px;min-width:34px;height:34px;min-height:34px}.search-dialog{width:min(620px,100% - 32px);color:var(--text);background:#101e35;border:1px solid #5080a8;border-radius:15px;max-height:80dvh;padding:24px;box-shadow:0 25px 100px #0008}.search-dialog::backdrop{backdrop-filter:blur(7px);background:#020713bf}.search-top{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.search-top h2{font-size:23px}.search-form{border:1px solid #59789f;border-radius:8px;align-items:center;gap:12px;padding:5px 5px 5px 14px;display:flex}.search-form>svg{color:var(--muted)}.search-form input{color:#fff;background:0 0;border:0;width:100%;min-width:0;min-height:44px}.search-form button{padding:0 12px}.search-hint{color:var(--muted);margin:14px 0;font-size:12px}.search-results{flex-direction:column;gap:6px;max-height:42dvh;display:flex;overflow-y:auto}.search-results>a{background:#182d4b;border-radius:7px;flex-direction:column;gap:5px;padding:13px;display:flex}.search-results>a:hover{background:#29486c}.search-results strong{color:#8ce4fa;font-size:14px}.search-results span{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.no-results{color:var(--muted);padding:20px;font-size:14px}.not-found{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:20px;min-height:100vh;padding:30px;display:flex}.not-found h1{font-size:100px}.not-found>p{color:var(--muted)}html[lang=zh-CN] h1{letter-spacing:5px;margin-block:15px;font-size:77px}html[lang=zh-CN] .hero-description{max-width:470px;line-height:1.85}html[lang=zh-CN] .overview-copy>p{line-height:1.85}html[lang=zh-CN] .card-copy p{line-height:1.7}html[lang=zh-CN] .hero-caption p{font-size:21px;line-height:1.5}html[lang=zh-CN] .brand{letter-spacing:1px}html[lang=zh-CN] .news-description{line-height:1.8}@media (width>=1600px){.hero-inner{padding-left:36px}.hero{height:370px}}@media (width<=1250px){.header-inner,.desktop-nav{gap:18px}.brand{font-size:21px}.search-trigger{width:165px}.hero-inner{padding-inline:18px}.hero-copy{max-width:520px}.systems-layout{grid-template-columns:2.2fr 1fr}.system-cards{gap:7px}.card-copy{inset:auto 9px 10px}.card-copy h3{font-size:13px}.platform-card{flex-direction:column;gap:8px;min-height:125px}.bottom-grid{grid-template-columns:1.15fr 1fr .95fr}.official-grid{grid-template-columns:1fr}.official-grid>a{min-height:29px}.footer-brand{align-items:flex-start}.fact{gap:12px;padding-inline:16px}.fact strong{font-size:12px}.start-cards>a{padding:10px 8px}.start-cards>a>svg{width:22px}}@media (width<=1050px){.desktop-nav{display:none}.header-actions{margin-left:auto}.search-trigger{width:220px}.menu-toggle{display:inline-grid}.hero-copy{max-width:480px}.hero-description{font-size:15px}.hero h1{font-size:74px}.hero-caption{display:none}.facts-bar{grid-template-columns:1fr 1fr}.fact{min-height:63px}.fact:nth-child(3){border-top:1px solid #45618b60;border-left:0}.fact:nth-child(4){border-top:1px solid #45618b60}.overview{grid-template-columns:1.7fr 1fr;gap:20px}.overview-side{padding-left:20px}.systems-layout{grid-template-columns:1fr}.featured{grid-template-columns:1fr 1.5fr;align-items:center;gap:0 14px;display:grid}.featured-header{align-self:end}.creature-image{grid-area:1/2/3;height:120px;margin:0}.featured-foot{align-self:start}.system-card{min-height:200px}.card-copy h3{font-size:15px}.middle-grid,.platform-cards{grid-template-columns:1fr 1fr}.platform-card{flex-direction:row;min-height:85px}.news-copy{max-width:100%}.news{align-items:center;display:flex}.news-description{font-size:12px}.bottom-grid{grid-template-columns:1fr 1fr}.official-links{grid-column:1/-1}.official-grid{grid-template-columns:repeat(3,1fr)}.official-grid>a{min-height:37px}.footer-brand{flex-direction:column;gap:8px}.footer-brand>p{max-width:550px}}@media (width<=600px){.container{width:calc(100% - 32px)}.header-inner{gap:8px;height:62px}.brand{gap:7px;font-size:19px}.brand img{width:27px;height:27px}.brand span{gap:4px}.header-actions{gap:6px}.search-trigger{background:0 0;border:0;justify-content:center;width:38px;height:44px;padding:0}.search-trigger span,.search-trigger kbd,.locale-control>svg{display:none}.locale-control select{max-width:64px;min-height:44px;font-size:11px}.menu-toggle{border:0;min-width:35px;min-height:40px}.hero{height:440px}.hero-art{object-position:70% center}.hero-shade{background:linear-gradient(#07172d11 10%,#091e38cd 62%,#08142afa),linear-gradient(90deg,#09183155,#0000)}.hero-inner{align-items:flex-end;padding:0 8px 44px}.hero-copy{max-width:100%}.hero .eyebrow{letter-spacing:1.1px;font-size:10px}.hero h1{letter-spacing:-2px;margin:8px 0;font-size:65px}.hero-description{max-width:360px;font-size:14px;line-height:1.6}.hero-buttons{gap:9px;margin-top:17px}.button{gap:10px;min-height:44px;padding:0 14px;font-size:12px}.content{margin-top:-16px}.facts-bar{border-radius:9px}.fact{align-items:flex-start;gap:9px;min-height:80px;padding:12px 11px}.fact-icon{padding-top:4px}.fact-icon svg{width:22px;height:22px}.fact-label{letter-spacing:.2px;font-size:9px}.fact strong{font-size:11px;line-height:1.45;display:block}.live-dot{width:5px;height:5px;top:12px;right:8px}.overview{margin-top:12px;padding:17px;display:block}.overview h2{font-size:22px}.overview-copy>p{font-size:13px;line-height:1.7}.overview-side{border:0;gap:9px;margin-top:13px;padding:0}.tags{gap:5px}.tags span{padding:5px 7px;font-size:10px}.text-link{min-height:38px}.systems{margin-top:12px;padding:15px}.section-heading{margin-bottom:14px}.section-heading h2{font-size:22px;line-height:1.2}.section-heading p{margin-top:6px;font-size:11px;line-height:1.5}.section-note{display:none}.system-cards{grid-template-columns:1fr 1fr;gap:10px}.system-card{min-height:210px}.card-copy{inset:auto 10px 12px}.card-copy h3{gap:5px;font-size:14px}.card-copy h3 svg{width:15px}.card-copy p{font-size:11px}.featured{margin-top:0;padding:12px;display:block}.featured-header{margin-bottom:9px}.featured-header>a{min-width:44px;min-height:44px}.creature-image{height:150px}.featured-foot{margin-top:9px;font-size:11px!important}.middle-grid{grid-template-columns:1fr;gap:12px}.platforms{padding:16px}.platforms h2{font-size:22px}.platform-card{gap:11px;min-height:96px;padding:12px}.platform-card h3{font-size:12px}.platform-card p{font-size:11px;line-height:1.5}.platform-card>svg{width:24px}.platform-note{align-items:flex-start;font-size:10px;line-height:1.5}.platform-note>span{margin-top:2px}.news{min-height:250px;padding:20px}.news h2{font-size:22px;line-height:1.3}.news-copy{max-width:100%}.news-description{line-height:1.65}.news-shade{background:linear-gradient(90deg,#0b1835fa,#10233acf 75%,#11213c70)}.button.small{min-height:44px;font-size:11px}.bottom-grid{grid-template-columns:1fr;gap:12px}.bottom-grid>.panel{padding:17px}.bottom-grid h2{font-size:22px}.bottom-grid .section-sub{font-size:11px}.start-cards{gap:9px}.start-cards>a{gap:9px;min-height:78px;padding:12px 10px}.start-cards h3{font-size:11px}.start-cards p{font-size:10px;line-height:1.5}.start-cards>a>svg{width:24px}.faq summary{min-height:48px;padding:12px;font-size:12px}.faq details>p{padding:0 12px 14px;font-size:12px;line-height:1.7}.official-links{grid-column:auto}.official-grid{grid-template-columns:1fr 1fr;gap:9px}.official-grid>a{min-height:44px;padding-inline:12px;font-size:11px}.footer{padding-block:23px;display:block}.footer-brand{gap:10px}.footer .brand{font-size:19px}.footer-brand>p{font-size:10px;line-height:1.7}.footer-end{justify-content:space-between;margin-top:15px}.footer-locales{font-size:12px}.back-top{min-width:44px;min-height:44px}.search-dialog{padding:18px}.search-top h2{font-size:21px}html[lang=zh-CN] h1{letter-spacing:4px;margin-block:13px;font-size:61px}html[lang=zh-CN] .hero-description{font-size:14px;line-height:1.9}html[lang=zh-CN] .brand{font-size:20px}html[lang=zh-CN] .system-card{min-height:205px}html[lang=zh-CN] .card-copy p{line-height:1.8}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}.card-copy p{font-size:12px}.platform-card p{font-size:11px}.featured-foot{font-size:11px!important}.news-description{font-size:12px}.official-grid>a{min-height:38px}.faq summary{min-height:40px}.search-trigger{min-height:44px}@media (width<=600px){.hero picture{height:280px}.hero-art{object-position:center bottom}.hero-shade{background:linear-gradient(#07172d00 0%,#08142a85 38%,#08142afc 65%,#08142a 100%)}.hero-inner{padding-bottom:42px}.hero{height:460px}.hero-copy{position:relative}.hero .eyebrow{margin-top:0}.card-copy p{font-size:12px}.system-card{min-height:220px}.platform-card p{font-size:11px}.faq summary{min-height:48px}.official-grid>a{min-height:44px}.hero picture{mask-image:linear-gradient(#000 70%,#0000 100%)}}.article-header{z-index:12;background:#09152bf5;border-bottom:1px solid #34577d;position:relative;box-shadow:0 8px 24px #02081755}.article-header-inner{align-items:center;gap:30px;min-height:68px;display:flex}.article-brand{white-space:nowrap;letter-spacing:.4px;align-items:center;gap:9px;font-size:21px;font-weight:900;display:inline-flex}.article-brand img{width:30px;height:30px}.article-brand b{color:#9cb6ff;font-weight:800}.article-nav{align-items:center;gap:22px;margin-inline:auto;display:flex}.article-nav a{color:#b6c9e8;align-items:center;gap:5px;min-height:44px;font-size:12px;display:inline-flex}.article-nav a:hover,.article-nav a:focus-visible{color:var(--accent)}.article-header-actions{align-items:center;gap:12px;display:flex}.article-home-link{color:#81eaff;white-space:nowrap;align-items:center;gap:6px;font-size:11px;display:inline-flex}.article-home-link svg{transform:rotate(180deg)}.article-header-actions select{color:#d9eaff;background:#122542;border:1px solid #36577f;border-radius:5px;min-height:36px;padding:0 8px;font-size:11px}.article-header-actions option{background:#10213a}.article-page{background:radial-gradient(at 90% 18%,#163d5b2e,#0000 35%),radial-gradient(at 8% 45%,#182b5430,#0000 42%);padding:26px 0 50px}.breadcrumbs{color:#91a9cc;align-items:center;gap:9px;min-height:24px;margin:0 0 16px;font-size:11px;display:flex}.breadcrumbs a:hover{color:var(--accent)}.breadcrumbs span{color:#536c91}.breadcrumbs strong{color:#d9e6fa;text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.article-hero{grid-template-columns:1.12fr .88fr;gap:26px;min-height:296px;padding:27px 29px;display:grid;position:relative;overflow:hidden}.article-hero:after{content:"";pointer-events:none;background:radial-gradient(#37d8f51c,#0000 66%);height:170px;position:absolute;inset:auto -10% -80%}.article-hero-copy{z-index:1;align-self:center;max-width:760px;position:relative}.article-eyebrow{color:var(--accent);letter-spacing:1.5px;align-items:center;gap:9px;font-size:10px;font-weight:800;display:flex}.article-eyebrow span{background:var(--accent);width:23px;height:2px;display:block;box-shadow:0 0 10px #35dcfa88}.article-hero h1{letter-spacing:-2px;margin:12px 0 14px;font-size:54px;line-height:1.12}.article-intro{color:#d3e2f7;max-width:690px;font-size:16px;line-height:1.65}.article-meta{color:#91b2d5;flex-wrap:wrap;gap:16px;margin-top:19px;font-size:11px;display:flex}.article-meta span,.article-meta time{align-items:center;gap:6px;display:inline-flex}.article-meta svg{color:#76dff6}.article-hero-media{z-index:1;align-self:stretch;min-width:0;margin:0;position:relative}.article-hero-media img{object-fit:cover;object-position:center;border:1px solid #4b709b;border-radius:9px;width:100%;height:100%;min-height:235px;max-height:290px;box-shadow:0 15px 35px #02081855}.article-hero-media figcaption{color:#829bc0;text-align:right;margin-top:7px;font-size:9px;line-height:1.4}.article-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:18px;margin-top:18px;display:grid}.article-content{min-width:0}.article-card{background:linear-gradient(135deg,#132743e8,#0d192fe8);border:1px solid #304d75;border-radius:10px;box-shadow:inset 0 1px #b0d4ff0b,0 9px 25px #03081724}.quick-answer{background:linear-gradient(135deg,#12334a,#0f1c34);border-color:#3d7195;padding:22px 24px}.article-card-label{color:#72e4ff;text-transform:uppercase;letter-spacing:1.1px;align-items:center;gap:7px;font-size:10px;font-weight:800;display:flex}.article-card-label svg{color:#75dfff}.quick-answer h2,.article-sources h2,.article-side-card h2{margin:9px 0 8px;font-size:22px}.quick-answer p{color:#e2edf9;max-width:920px;font-size:14px;line-height:1.75}.fact-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:12px 0 25px;display:grid}.article-fact{background:#122440d9;border:1px solid #304d75;border-radius:8px;min-height:78px;padding:13px}.article-fact span{color:#8fa9cc;margin-bottom:7px;font-size:10px;line-height:1.35;display:block}.article-fact strong{color:#e6f1ff;font-size:12px;line-height:1.45;display:block}.article-section{margin:0 0 31px;padding:0 3px;scroll-margin-top:25px}.article-section h2{color:#f0f6ff;margin:0 0 11px;font-size:24px;line-height:1.25}.article-section h2:before{content:"";background:var(--accent);border-radius:2px;width:4px;height:21px;margin:0 10px -2px 0;display:inline-block;box-shadow:0 0 10px #35dcfa55}.article-section p{color:#c7d7eb;max-width:880px;margin:0 0 12px;font-size:14px;line-height:1.85}.article-section ul{color:#c9d9ee;margin:7px 0 13px;padding-left:21px}.article-section li{margin:5px 0;padding-left:4px;font-size:14px;line-height:1.75}.article-table-wrap{background:#0d1a30;border:1px solid #304d75;border-radius:8px;margin:14px 0 16px;overflow:auto}.article-section table{border-collapse:collapse;width:100%;min-width:560px}.article-section th,.article-section td{text-align:left;vertical-align:top;border-bottom:1px solid #2a4365;padding:12px 14px;font-size:13px;line-height:1.55}.article-section thead th{color:#8beaff;text-transform:uppercase;letter-spacing:.7px;background:#132b48;font-size:11px}.article-section tbody th{color:#edf5ff;width:27%;font-weight:700}.article-section tbody td{color:#c5d7ed}.article-section tr:last-child th,.article-section tr:last-child td{border-bottom:0}.article-callout{background:#102f43aa;border:1px solid #32799a;border-radius:8px;grid-template-columns:135px 1fr;align-items:start;gap:13px;margin-top:14px;padding:14px 16px;display:grid}.article-callout strong{color:#7ee8ff;letter-spacing:.6px;text-transform:uppercase;padding-top:2px;font-size:11px}.article-callout p{color:#cde6f5;margin:0;font-size:12px;line-height:1.65}.article-callout.caution{background:#3b2c1640;border-color:#9d7b46}.article-callout.caution strong{color:#ffd18a}.article-faq{border-top:1px solid #2c466b;padding-top:26px}.article-faq details{background:#101f37;border:1px solid #2e4b70;border-radius:7px;margin:7px 0}.article-faq summary{color:#dfebfb;justify-content:space-between;align-items:center;gap:15px;padding:13px 14px;font-size:13px;line-height:1.5;list-style:none;display:flex}.article-faq summary::-webkit-details-marker{display:none}.article-faq summary span{color:#80e6fb;font-size:19px;line-height:1;transition:transform .18s}.article-faq details[open] summary{color:#7ee5fb}.article-faq details[open] summary span{transform:rotate(45deg)}.article-faq details p{color:#bfcfe5;margin:0;padding:0 14px 14px;font-size:13px;line-height:1.7}.article-sources{margin-top:8px;padding:20px 22px}.article-sources>p{color:#9fb5d2;margin:8px 0 12px;font-size:12px;line-height:1.65}.source-list{grid-template-columns:1fr 1fr;gap:6px 13px;list-style:none;display:grid;margin:0!important;padding:0!important}.source-list li{border-top:1px solid #2b4668;align-items:flex-start;gap:8px;display:flex;margin:0!important;padding:9px 0!important}.source-kind{color:#83dff4;text-transform:uppercase;letter-spacing:.5px;min-width:62px;padding-top:3px;font-size:9px}.source-list a{color:#d3e6fa;align-items:center;gap:5px;font-size:11px;line-height:1.45;display:inline-flex}.source-list a:hover{color:var(--accent)}.source-list a svg{color:#7fddf5}.article-sidebar{flex-direction:column;gap:13px;display:flex;position:sticky;top:15px}.article-toc{flex-direction:column;gap:2px;padding:18px 16px;display:flex}.article-toc .article-card-label{margin-bottom:6px}.article-toc>a{color:#a9bfdd;border-left:2px solid #0000;border-radius:0 5px 5px 0;padding:8px 8px 8px 11px;font-size:11px;line-height:1.45}.article-toc>a:hover{color:#8deaff;border-left-color:var(--accent);background:#173252}.article-toc .toc-answer{color:#e2f7ff;border-left-color:var(--accent);background:#123850}.article-side-card{padding:18px 16px}.article-side-card h2{margin-bottom:11px;font-size:19px}.related-list{flex-direction:column;gap:7px;display:flex}.related-list>a{background:#122640;border:1px solid #2c4a6d;border-radius:7px;grid-template-columns:1fr auto;gap:3px 7px;padding:10px 9px;display:grid;position:relative}.related-list>a:hover{background:#193758;border-color:#66d9ef}.related-list>a span{color:#81cde4;text-transform:uppercase;letter-spacing:.4px;grid-column:1/-1;font-size:9px}.related-list>a strong{font-size:11px;font-weight:700;line-height:1.35}.related-list>a svg{color:#7ae2fb;grid-area:2/2;align-self:center}.article-side-cta{color:#bdeeff;background:linear-gradient(110deg,#12384b,#123050);border:1px solid #39809a;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:14px 15px;font-size:11px;font-weight:800;line-height:1.4;display:flex}.article-side-cta svg{color:var(--accent)}.article-side-cta:hover{background:#17415a;border-color:#81ecff}.article-footer{color:#8fa5c4;align-items:center;gap:22px;padding:20px 2px 28px;display:flex}.article-footer .article-brand{font-size:15px}.article-footer>p{flex:1;font-size:10px;line-height:1.5}.article-footer-links{white-space:nowrap;gap:14px;font-size:10px;display:flex}.article-footer-links a:hover{color:var(--accent)}@media (width<=1050px){.article-header-inner{gap:18px}.article-nav{gap:14px}.article-home-link{display:none}.article-layout{grid-template-columns:minmax(0,1fr) 250px}.article-hero{grid-template-columns:1fr .85fr;padding:24px}.article-hero h1{font-size:46px}.fact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.source-list{grid-template-columns:1fr}}@media (width<=700px){.article-header-inner{min-height:62px}.article-brand{gap:7px;font-size:18px}.article-brand img{width:27px;height:27px}.article-nav{display:none}.article-header-actions{margin-left:auto}.article-header-actions select{min-height:40px}.article-page{padding-top:18px}.breadcrumbs{margin-bottom:12px;font-size:10px}.article-hero{flex-direction:column-reverse;gap:17px;padding:17px 16px;display:flex}.article-hero-media img{aspect-ratio:16/9;min-height:190px;max-height:none}.article-hero-media figcaption{text-align:left}.article-hero h1{letter-spacing:-1px;margin:9px 0 10px;font-size:37px}.article-intro{font-size:14px;line-height:1.75}.article-meta{gap:10px;margin-top:14px;font-size:10px}.article-layout{flex-direction:column;margin-top:12px;display:flex}.article-sidebar{display:contents}.article-toc{order:-1;grid-template-columns:1fr 1fr;gap:1px 6px;padding:15px 14px;display:grid;position:static}.article-toc .article-card-label{grid-column:1/-1;margin-bottom:4px}.article-toc>a{padding:8px 6px 8px 9px;font-size:10px}.quick-answer{padding:18px 16px}.quick-answer h2,.article-sources h2{font-size:20px}.quick-answer p{font-size:13px;line-height:1.8}.fact-grid{gap:7px;margin-bottom:22px}.article-fact{min-height:84px;padding:11px 10px}.article-fact span{font-size:9px}.article-fact strong{font-size:11px;line-height:1.5}.article-section{margin-bottom:25px}.article-section h2{margin-bottom:10px;font-size:21px}.article-section h2:before{width:3px;height:18px;margin-right:8px}.article-section p,.article-section li{font-size:13px;line-height:1.85}.article-section table{min-width:480px}.article-section th,.article-section td{padding:10px;font-size:12px}.article-callout{padding:13px;display:block}.article-callout strong{margin-bottom:5px;display:block}.article-callout p{font-size:12px}.article-sources{padding:17px 15px}.source-list a{font-size:10px}.article-side-card{padding:17px 15px}.article-side-cta{order:2}.article-footer{padding-block:21px;display:block}.article-footer>p{margin:10px 0 13px;font-size:10px}.article-footer-links{font-size:11px}.article-faq summary{font-size:12px}}@media (prefers-reduced-motion:reduce){.article-faq summary span{transition:none}}