:root{color-scheme:dark;--bg:#0b1019;--panel:#111a29;--line:#293448;--gold:#d8b778;--gold-light:#f2dba7;--text:#eef0f4;--muted:#aeb8c8;--font:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--gold-light);outline-offset:5px}button{cursor:pointer}h1,h2,h3,p{margin:0}h2{font-size:34px;font-weight:500;line-height:1.5;letter-spacing:1px}h3{font-weight:500}p{color:var(--muted)}strong{font-weight:600}code{font-family:Consolas,monospace;font-size:.92em;overflow-wrap:anywhere}.shell{width:calc(100% - 80px);max-width:1180px;margin:0 auto}.section{padding-top:96px;padding-bottom:96px}.eyebrow{font-size:10px;letter-spacing:2.7px;color:var(--gold);font-weight:600;margin-bottom:17px}.skip-link{position:fixed;left:20px;top:-100px;padding:12px 18px;background:var(--gold);color:var(--bg);z-index:100}.skip-link:focus{top:10px}
.site-header{height:86px;position:sticky;top:0;z-index:20;background:rgba(11,16,25,.96);border-bottom:1px solid #c3ad7d1c;backdrop-filter:blur(15px)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}.brand{display:inline-flex;align-items:center;gap:13px;flex-shrink:0}.brand-emblem{display:grid;place-items:center;width:43px;height:48px;color:var(--gold-light);border:1px solid var(--gold);font:25px/1 Georgia,serif;clip-path:polygon(50% 0,100% 18%,100% 82%,50% 100%,0 82%,0 18%);background:linear-gradient(135deg,#d8b7781c,transparent)}.brand-word{font-size:24px;letter-spacing:2.4px;line-height:1.2;font-weight:600}.brand-word small{display:block;font-size:7px;letter-spacing:1.5px;color:#9dacc0;font-weight:400;margin-top:6px}.site-nav{display:flex;align-items:center;gap:31px;font-size:12px;color:#bec6d3}.site-nav a{transition:color .2s}.site-nav a:hover{color:var(--gold-light)}.site-nav .nav-download{margin-left:12px;color:var(--gold-light);border:1px solid #d8b77866;padding:9px 17px}.nav-download span{margin-left:20px}.menu-toggle{display:none;background:none;border:0;color:var(--text);padding:8px;font-size:12px}.menu-icon{width:18px;height:10px;display:inline-block;border-top:1px solid currentColor;border-bottom:1px solid currentColor;margin-right:9px}
.hero{min-height:660px;position:relative;isolation:isolate;display:flex;align-items:center;overflow:hidden}.hero-art{position:absolute;inset:0;z-index:-2;background:url('/assets/90cn-town.jpg') center 46%/cover no-repeat}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#080d16f5 0%,#0b1019cf 31%,#0b101969 60%,#0b101929 100%),linear-gradient(0deg,#0b1019 0%,transparent 25%,#0b101926 100%)}.hero-content{padding:75px 0 105px}.hero .eyebrow{display:flex;align-items:center;gap:13px;font-size:9px;letter-spacing:2.6px;margin-bottom:26px}.short-rule{width:26px;height:1px;background:var(--gold)}.hero-edition{font-size:12px;letter-spacing:3px;color:#d3c8b3;margin-bottom:13px}.hero-edition span{margin:0 11px;color:#9b8b70}h1{font-family:"Noto Serif CJK SC","Songti SC","SimSun",serif;font-size:clamp(38px,4.6vw,64px);font-weight:400;line-height:1.45;letter-spacing:2px}h1 span{color:var(--gold-light)}.hero-description{font-size:14px;line-height:2.05;color:#bbc1cb;margin-top:23px}.hero-actions{display:flex;gap:16px;margin-top:33px}.button{display:inline-flex;align-items:center;justify-content:center;gap:37px;min-height:51px;padding:13px 25px;font-size:12px;font-weight:600;letter-spacing:1px;border:1px solid transparent;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-gold{background:var(--gold);color:#18202b;border-color:var(--gold)}.button-gold:hover{background:var(--gold-light);border-color:var(--gold-light)}.button-outline{border-color:#adb3bd66;color:#ece8df;background:#0e17285e}.button-outline:hover{background:#182236;border-color:var(--gold)}.service-state{display:flex;align-items:center;gap:8px;margin-top:25px;font-size:10px;color:#b4bcc9;letter-spacing:.4px}.status-dot{width:5px;height:5px;flex-shrink:0;border-radius:50%;background:#8893a4}.status-dot.ready{background:#87bfa4;box-shadow:0 0 8px #87bfa44d}.status-dot.unavailable{background:#cfb174}.service-separator{margin:0 4px;color:#697387}.hero-caption{position:absolute;right:43px;bottom:85px;display:flex;flex-direction:column;align-items:flex-end;color:#fff8;pointer-events:none}.hero-caption span:first-child{font:65px/1 Georgia,serif;letter-spacing:12px;color:#ece4ce42}.hero-caption span:last-child{font-size:7px;letter-spacing:3px;margin-top:13px}
.quick-facts{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.1fr 1.4fr 1.1fr;margin-top:-36px;min-height:118px;border:1px solid #5260784d;background:linear-gradient(110deg,#172134,#101722);box-shadow:0 15px 45px #0002}.quick-facts>div,.quick-facts>a{padding:23px 27px;position:relative;display:flex;flex-direction:column;justify-content:center}.quick-facts>div:after{content:"";position:absolute;right:0;height:48px;width:1px;background:var(--line)}.quick-facts strong{font:29px/1.3 Georgia,serif;color:var(--gold-light);letter-spacing:1px}.quick-facts strong span{font:12px var(--font);margin-left:7px;color:#bcc3cc}.quick-facts p{font-size:10px;margin-top:8px;letter-spacing:.4px}.quick-facts>a{flex-direction:row;align-items:center;gap:19px;font-size:10px}.quick-facts>a strong{display:block;font:14px var(--font);margin-top:7px;letter-spacing:1px}.fact-arrow{font-size:28px;color:var(--gold);font-weight:300}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:39px}.section-intro{font-size:13px;line-height:1.9;color:#a5afc0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{padding:31px 29px 27px;position:relative;overflow:hidden;border:1px solid #293448;background:linear-gradient(145deg,#131d2d,#101722);min-height:277px}.feature-number{position:absolute;top:4px;right:20px;font:75px Georgia,serif;color:#7386a012;pointer-events:none}.card-kicker{font-size:10px;letter-spacing:1.7px;color:var(--gold);margin-bottom:13px}.feature-card h3{font-size:18px;margin-bottom:17px;position:relative}.feature-card>p:not(.card-kicker){font-size:13px;line-height:1.95;position:relative;max-width:300px}.feature-card strong{color:#e3d5b7;font-weight:400}.card-foot{display:block;margin-top:26px;color:#8090a7;font-size:10px;letter-spacing:.2px;padding-top:17px;border-top:1px solid #273246}
.downloads{background:#101825;border-top:1px solid #232e40;border-bottom:1px solid #232e40}.release-notice{font-size:12px;color:#a9b5c7;margin-bottom:22px;display:flex;align-items:center;gap:9px}.release-notice:before{content:"";display:block;width:3px;height:14px;background:var(--gold)}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.download-card{padding:34px 36px 23px;background:#131e2e;border:1px solid #303d51;min-width:0}.download-primary{border-color:#8b7750;background:linear-gradient(135deg,#1b2637,#141e2c 65%)}.download-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:29px}.package-icon{display:grid;place-items:center;width:54px;height:60px;border:1px solid #b59a6373;font:30px Georgia,serif;color:var(--gold);background:linear-gradient(140deg,#baa0651c,transparent);clip-path:polygon(0 0,70% 0,100% 25%,100% 100%,0 100%)}.package-small{color:#abb9ce;border-color:#62748e;font:29px var(--font)}.file-tag{font-size:10px;letter-spacing:1px;color:#cbb37f;border:1px solid #ab905d4d;padding:4px 10px}.download-card:not(.download-primary) .file-tag{color:#aebed3;border-color:#53637b}.download-card .card-kicker{font-size:8px;letter-spacing:2px;margin-bottom:8px}.download-card h3{font-size:28px;letter-spacing:1px;line-height:1.5;margin-bottom:14px}.download-description{font-size:13px;line-height:1.9;max-width:410px;min-height:50px}.file-details{display:grid;grid-template-columns:1.2fr .9fr 1fr;gap:12px;margin:26px 0 23px;padding:20px 0;border-top:1px solid #2e394a;border-bottom:1px solid #2e394a}.file-details div{min-width:0}.file-details dt{font-size:10px;color:#8f9db2;margin-bottom:7px}.file-details dd{margin:0;font-size:12px;color:#d9dfe7;overflow-wrap:anywhere}.download-link{width:100%;justify-content:space-between}.download-link[aria-disabled=true]{cursor:default;opacity:.47;transform:none;pointer-events:none}.checksum{padding-top:22px}.checksum>div{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:.5px;color:#8797ae;margin-bottom:9px}.copy-hash{background:none;border:0;border-bottom:1px solid #75859c;color:#b9c3d3;font-size:10px;padding:0 0 1px}.copy-hash:disabled{opacity:.4;cursor:default}.checksum code{display:block;color:#9caac0;font-size:10px;line-height:1.65;overflow-wrap:anywhere;min-height:33px}.copy-feedback{display:block;min-height:18px;font-size:10px;color:var(--gold);margin-top:5px}.download-note{font-size:11px;line-height:1.9;margin-top:23px;color:#98a6bc}
.guide{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px}.guide-intro>p:not(.eyebrow){font-size:14px;margin-top:23px;line-height:2}.text-link{display:inline-flex;align-items:center;gap:25px;color:var(--gold);font-size:12px;margin-top:33px;border-bottom:1px solid #a88d534d;padding-bottom:6px}.steps{padding:0;margin:0;list-style:none}.steps li{display:flex;gap:25px;padding:25px 0;border-bottom:1px solid #273246}.steps li:first-child{padding-top:0}.steps li:last-child{padding-bottom:0;border-bottom:0}.step-number{font:24px/1.5 Georgia,serif;color:var(--gold);flex-shrink:0}.steps h3{font-size:17px;margin-bottom:10px}.steps p{font-size:13px;line-height:1.95}.steps code{color:#c7cfdb}.news-section{background:#101722;border-top:1px solid #222d3f;border-bottom:1px solid #222d3f}.news-list{border-top:1px solid #344052}.news-item{display:grid;grid-template-columns:85px 1fr 32px;gap:30px;align-items:center;padding:28px 0;border-bottom:1px solid #283346}.news-item time{font-size:10px;color:#9da9bd;letter-spacing:.4px}.news-item time strong{display:block;color:var(--gold);font:34px/1.2 Georgia,serif;margin-bottom:5px}.news-tag{display:inline-block;font-size:9px;color:#cfb77f;letter-spacing:1px;margin-bottom:6px}.news-item h3{font-size:17px;margin-bottom:8px}.news-item p{font-size:12px;line-height:1.85}.news-ornament{font-size:26px;color:#75849b}.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.faq .section-intro{margin-top:22px}.faq-list{border-top:1px solid #334054}.faq details{border-bottom:1px solid #293448;padding:22px 0}.faq summary{cursor:pointer;list-style:none;font-size:14px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#d9dfe7}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:22px;line-height:1;color:var(--gold);flex-shrink:0;transition:transform .2s}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{font-size:12px;line-height:1.95;margin-top:17px;padding-right:25px}.final-banner{position:relative;background:linear-gradient(90deg,#0c1422f0,#0c1422a8),url('/assets/90cn-sky.jpg') center 38%/cover;border-top:1px solid #4150686e;border-bottom:1px solid #4150686e}.final-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-top:53px;padding-bottom:53px}.final-inner h2{font-family:"Songti SC","SimSun",serif;color:var(--gold-light);font-size:34px;line-height:1.6;letter-spacing:3px}.final-inner .eyebrow{font-size:8px;margin-bottom:15px}.final-inner .button{min-width:191px}.site-footer{background:#090e16}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-top:38px;padding-bottom:38px}.footer-brand .brand-emblem{width:35px;height:41px;font-size:21px}.footer-brand .brand-word{font-size:20px}.footer-brand .brand-word small{font-size:6px;letter-spacing:1px}.footer-inner>p{font-size:10px;color:#9aa6b8;line-height:2}.footer-inner>p span{color:#708097}.footer-links{display:flex;gap:22px;font-size:10px;color:#9daac0}.footer-links a:hover{color:var(--gold-light)}
@media(min-width:1441px){.hero{min-height:720px}}
@media(max-width:1100px){.shell{width:calc(100% - 56px)}.site-nav{gap:20px}.site-nav .nav-download{margin-left:0}.hero-caption{display:none}.quick-facts>div,.quick-facts>a{padding-left:20px;padding-right:20px}.quick-facts p{font-size:9px}.feature-grid{gap:18px}.feature-card{padding:26px 22px}.feature-card h3{font-size:17px}.guide{gap:55px}.faq{gap:55px}.section{padding-top:80px;padding-bottom:80px}}
@media(max-width:800px){.site-header{height:74px}.site-nav .nav-download{display:none}.site-nav{gap:23px}.hero{min-height:610px}.hero-content{padding:65px 0 105px}h1{font-size:46px}.quick-facts{grid-template-columns:1fr 1fr}.quick-facts>div,.quick-facts>a{padding:20px 25px}.quick-facts>div:nth-child(2):after{display:none}.quick-facts>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.quick-facts p{font-size:10px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:0;padding:27px 29px}.feature-card>p:not(.card-kicker){max-width:none}.feature-number{font-size:85px;right:25px}.card-foot{margin-top:20px;padding-top:14px}.download-card{padding:26px 23px 18px}.download-top{margin-bottom:24px}.file-tag{font-size:9px;padding:3px 7px}.file-details{grid-template-columns:1fr 1fr;row-gap:15px}.file-details div:last-child{grid-column:1/-1}.download-description{min-height:75px}.guide,.faq{grid-template-columns:1fr;gap:36px}.guide-intro>p br,.faq .section-intro br{display:none}.guide-intro>p{margin-top:15px}.text-link{margin-top:18px}.faq .section-intro{margin-top:16px}.footer-inner>p{display:none}.section-intro{font-size:12px}h2{font-size:31px}}
@media(max-width:600px){html{scroll-padding-top:90px}.shell{width:calc(100% - 40px)}.site-header{height:70px}.brand-emblem{width:35px;height:41px;font-size:21px}.brand-word{font-size:21px}.brand-word small{font-size:6px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;left:0;right:0;top:69px;background:#0e1624;border-bottom:1px solid #36435a;padding:15px 20px 20px;gap:0;box-shadow:0 20px 30px #0004}.site-nav.is-open{display:flex;flex-direction:column;align-items:stretch}.site-nav>a{padding:13px 5px;border-bottom:1px solid #283244}.hero{min-height:580px;align-items:flex-start}.hero-art{background-position:57% center}.hero:after{background:linear-gradient(90deg,#080d16eb,#0b10198a),linear-gradient(0deg,#0b1019 0%,transparent 35%)}.hero-content{padding:53px 0 86px}.hero .eyebrow{font-size:8px;letter-spacing:1.7px;gap:10px;margin-bottom:26px}.short-rule{width:21px}.hero-edition{font-size:10px;letter-spacing:2.5px;margin-bottom:15px}h1{font-size:clamp(32px,7.8vw,44px);line-height:1.53;letter-spacing:.8px}.hero-description{font-size:12px;margin-top:20px;line-height:2}.hero-actions{gap:11px;margin-top:28px}.button{font-size:11px;padding:12px 15px;gap:17px;min-height:48px;letter-spacing:.3px}.service-state{font-size:9px;letter-spacing:0;gap:5px;margin-top:23px}.service-separator{margin:0 1px}.quick-facts{margin-top:-29px}.quick-facts>div,.quick-facts>a{padding:18px 17px}.quick-facts strong{font-size:26px}.quick-facts p{font-size:9px;letter-spacing:0}.quick-facts>a{gap:11px}.quick-facts>a strong{font-size:12px}.fact-arrow{font-size:24px}.section{padding-top:60px;padding-bottom:60px}.eyebrow{font-size:9px;letter-spacing:2px;margin-bottom:13px}h2{font-size:29px;letter-spacing:.4px}.section-heading{display:block;margin-bottom:28px}.section-heading .section-intro{margin-top:17px;font-size:12px}.section-heading .section-intro br{display:none}.feature-card{padding:26px 24px}.feature-card h3{font-size:18px}.feature-card>p:not(.card-kicker){font-size:13px}.download-grid{grid-template-columns:1fr;gap:21px}.download-card{padding:27px 25px 17px}.download-top{margin-bottom:25px}.file-tag{font-size:10px}.download-card h3{font-size:27px}.download-description{min-height:0}.file-details{grid-template-columns:1.2fr .9fr 1fr;gap:9px;margin-top:23px}.file-details div:last-child{grid-column:auto}.file-details dd{font-size:11px}.download-card .button{padding:13px 19px}.download-note{font-size:10px}.release-notice{font-size:11px;line-height:1.8;margin-bottom:18px}.release-notice:before{flex-shrink:0}.guide{gap:32px}.guide-intro>p{font-size:13px}.steps li{gap:20px;padding:23px 0}.steps h3{font-size:16px}.steps p{font-size:12px}.step-number{font-size:22px}.news-item{grid-template-columns:43px 1fr;gap:20px;padding:25px 0;align-items:start}.news-item time{font-size:9px;padding-top:5px}.news-item time strong{font-size:29px}.news-item h3{font-size:15px;line-height:1.75}.news-item p{font-size:11px}.news-ornament{display:none}.faq{gap:27px}.faq details{padding:20px 0}.faq summary{font-size:13px}.faq details p{font-size:12px;padding-right:10px}.final-inner{padding-top:39px;padding-bottom:39px;gap:20px}.final-inner h2{font-size:26px;letter-spacing:2px}.final-inner .eyebrow{font-size:7px;letter-spacing:1px}.final-inner .button{min-width:125px;gap:15px}.footer-inner{align-items:flex-start;gap:25px;padding-top:30px;padding-bottom:30px;flex-direction:column}.footer-links{font-size:10px;gap:27px}}
@media(max-width:360px){.shell{width:calc(100% - 32px)}.hero{min-height:620px}h1{font-size:31px}.hero-actions{flex-direction:column;max-width:245px;gap:10px}.hero-actions .button{justify-content:space-between;padding-left:20px;padding-right:20px}.service-state{flex-wrap:wrap;max-width:210px;row-gap:7px}.service-separator{display:none}.service-state>span:last-child{width:100%;padding-left:10px}.quick-facts strong{font-size:23px}.quick-facts>div,.quick-facts>a{padding-left:13px;padding-right:13px}.quick-facts p{font-size:8px}.quick-facts>a{gap:8px}.quick-facts>a strong{font-size:11px}.file-details{gap:8px}.file-details dd{font-size:10px}.download-card{padding-left:20px;padding-right:20px}.final-inner{align-items:flex-start;flex-direction:column}.final-inner .button{margin-top:2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}