:root{--ink:#17191f;--paper:#f5f6f8;--white:#fff;--muted:#6d727c;--line:#cfd3da;--red:#e74645;--blue:#236fe8;--yellow:#f5c94a;--mint:#36b38a;--max:1180px;--header:68px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;line-height:1.65;letter-spacing:0}body.nav-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit}.site-header{height:var(--header);background:var(--ink);color:var(--white);position:sticky;top:0;z-index:50;border-bottom:3px solid var(--red)}.header-inner{width:min(var(--max),calc(100% - 48px));height:100%;margin:0 auto;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;white-space:nowrap}.brand img{width:36px;height:36px;border:2px solid var(--white)}.site-nav{display:flex;align-items:center;gap:28px;margin-left:auto}.site-nav a{font-size:14px;color:#c9ccd2;position:relative;padding:22px 0}.site-nav a:hover,.site-nav a.active{color:#fff}.site-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:12px;height:3px;background:var(--yellow)}.header-download,.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;background:var(--red);color:#fff;font-weight:800;border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);transition:transform .2s,box-shadow .2s}.header-download{min-height:38px;padding:0 18px;border-color:var(--white);box-shadow:none;font-size:14px}.primary-button:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}.menu-toggle{display:none;width:42px;height:42px;border:1px solid #555;background:transparent;padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#fff;margin:4px 0}.hero{background:var(--paper);border-bottom:1px solid var(--line)}.hero-inner{width:min(var(--max),calc(100% - 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48px));margin:auto}.faq-tools{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.faq-tools>span{font-weight:800}.filter-group{display:flex;gap:8px}.filter{border:1px solid var(--line);background:#fff;padding:7px 15px;cursor:pointer}.filter.active,.filter:hover{background:var(--ink);color:#fff;border-color:var(--ink)}.faq-list{border-top:3px solid var(--ink)}.faq-item{border-bottom:1px solid var(--line);background:#fff}.faq-item[hidden]{display:none}.faq-item>button{width:100%;border:0;background:transparent;padding:20px 18px;display:flex;justify-content:space-between;align-items:center;text-align:left;cursor:pointer;font-weight:800}.faq-item>button span{display:flex;align-items:center;gap:16px}.faq-item>button i{font:normal 12px Consolas,monospace;color:var(--red)}.faq-item>button b{font-size:22px;color:var(--blue)}.faq-item.open>button b{transform:rotate(45deg)}.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s}.faq-answer p{overflow:hidden;margin:0;padding:0 62px;color:var(--muted)}.faq-item.open .faq-answer{grid-template-rows:1fr}.faq-item.open .faq-answer p{padding-bottom:22px}.faq-after{display:flex;align-items:center;justify-content:space-between;gap:30px;border:2px solid var(--ink);margin-top:34px;padding:24px;background:#fff}.faq-after span{display:block;color:var(--muted);font-size:13px}.faq-after a{color:var(--blue);font-weight:800;white-space:nowrap}
@media(max-width:900px){:root{--header:62px}.header-inner{width:calc(100% - 32px)}.menu-toggle{display:block;margin-left:auto}.header-download{display:none}.site-nav{display:none;position:fixed;inset:var(--header) 0 auto 0;background:var(--ink);padding:18px 24px 26px;flex-direction:column;align-items:stretch;gap:0;border-bottom:3px solid var(--red)}.site-nav.open{display:flex}.site-nav a{padding:13px 0;border-bottom:1px solid #3c3f47}.site-nav a.active:after{display:none}.hero-inner{width:calc(100% - 32px);height:auto;min-height:690px;grid-template-columns:1fr;gap:24px;padding:36px 0 28px;align-content:center}.hero h1{font-size:43px;margin:13px 0 14px}.hero-copy>p{font-size:15px}.hero-actions{margin-top:20px}.hero-status{margin-top:22px}.hero-console{height:300px;max-width:520px;margin:auto;box-shadow:7px 7px 0 var(--yellow)}.screen-side{margin-top:14px;margin-bottom:10px}.hero-cue{height:50px;padding:0 16px}.section{padding:58px 0}.section-inner{width:calc(100% - 32px)}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid article:nth-child(2){border-right:0}.feature-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}.gallery-layout{grid-template-columns:1fr 1fr}.gallery-primary{grid-column:1/-1}.image-stage{height:390px}.route-layout{grid-template-columns:1fr;gap:28px}.route-layout .section-heading{margin-bottom:0}.route-action{grid-column:1}.sub-hero-inner{width:calc(100% - 32px);grid-template-columns:1fr;gap:28px;padding:48px 0}.sub-hero h1{font-size:38px}.guide-meter,.support-panel{max-width:480px;width:100%}.article-layout{width:calc(100% - 32px);grid-template-columns:1fr;gap:24px}.article-aside{position:static;display:grid;grid-template-columns:repeat(3,1fr)}.article-aside b{grid-column:1/-1}.article-aside a{padding-right:8px}.article-content{padding:10px 28px 36px}}
@media(max-width:600px){.brand span{font-size:16px}.hero-inner{min-height:0;align-content:start;padding-top:30px}.hero h1{font-size:38px}.hero-actions{gap:18px}.primary-button{padding:0 18px}.hero-status{display:none}.hero-console{height:278px}.console-top{grid-template-columns:1fr auto}.console-top b{display:none}.screen-pair{gap:5px;padding:6px}.screen figcaption{font-size:9px;left:4px;right:4px;bottom:4px}.hero-cue b{display:none}.section-heading{align-items:center}.section-heading h2{font-size:28px}.feature-grid,.gallery-layout,.faq-preview-grid{grid-template-columns:1fr}.feature-grid article{border-right:0;border-bottom:1px solid var(--line)}.gallery-primary{grid-column:auto}.image-stage{height:420px}.route-list li{grid-template-columns:110px 1fr}.route-action{flex-direction:column;gap:8px}.download-inner{min-height:220px;align-items:flex-start;justify-content:center;flex-direction:column}.download-inner h2{font-size:28px}.footer-inner{flex-direction:column;gap:20px}.footer-inner nav{gap:16px}.sub-hero-inner{min-height:0}.sub-hero h1{font-size:28px;line-height:1.2}.article-aside{grid-template-columns:1fr 1fr}.article-content{padding:6px 18px 28px}.article-content h2{font-size:24px}.inline-action{align-items:flex-start;flex-direction:column}.faq-tools{align-items:flex-start;flex-direction:column;gap:12px}.filter-group{width:100%;display:grid;grid-template-columns:repeat(4,1fr)}.filter{padding:7px 4px}.faq-item>button{padding:18px 10px}.faq-item>button span{gap:10px}.faq-answer p{padding-left:42px;padding-right:18px}.faq-after{align-items:flex-start;flex-direction:column}.support-panel b{font-size:50px}}