:root{--bg:#080b0f;--surface:#0e1218;--surface-2:#141a21;--line:#27303a;--text:#f2f5f7;--muted:#929da8;--amber:#ffc62e;--blue:#47a7ff;--green:#52e39a;--max:1180px;--header:72px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 24px)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65;letter-spacing:0}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:48px 48px}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.skip-link{position:fixed;left:12px;top:-50px;z-index:100;background:var(--amber);color:#111;padding:8px 14px}
.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto;z-index:50;height:var(--header);background:rgba(8,11,15,.87);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px)}
.nav{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:31px;height:31px;background:var(--amber);color:#080b0f;font:900 20px/1 Arial;clip-path:polygon(15% 0,100% 0,85% 100%,0 100%)}
.brand small{font:500 8px/1 monospace;color:var(--muted);margin-left:-4px;align-self:flex-end;margin-bottom:16px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:19px;flex:1}
.nav-links a{font-size:13px;color:#abb4bd;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--amber)}
.nav-cta{display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:5px 12px 5px 5px;background:#101820;border:1px solid #3b4853;color:#eef3f6;box-shadow:inset 0 0 0 1px rgba(255,255,255,.02),0 10px 28px rgba(0,0,0,.2);transition:.2s}
.nav-cta:hover{background:#16222c;border-color:#5a6a78;transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.3)}
.nav-cta-icon{display:grid;place-items:center;width:34px;height:34px;background:var(--blue);color:#06111a;font-size:13px;font-weight:900}
.nav-cta-copy{display:grid;gap:1px;min-width:54px;line-height:1.1}.nav-cta-copy strong{color:#f4f7f9;font-size:12px;white-space:nowrap}.nav-cta-copy small{color:var(--amber);font:800 9px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.7px}
.nav-cta-arrow{color:var(--amber);font-size:18px;transition:transform .2s}.nav-cta:hover .nav-cta-arrow{transform:translateX(3px)}
.menu-toggle{display:none;background:none;border:0;width:40px;height:40px;padding:9px}
.menu-toggle span{display:block;height:2px;background:#fff;margin:5px 0}
.section{padding:120px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.hero{padding:calc(var(--header) + 72px) 0 0;min-height:760px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:58px;min-height:580px}
.eyebrow,.kicker,.plan,.panel-label,.step{font:700 11px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1.5px;text-transform:uppercase;color:var(--amber)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--line);color:#cbd2d8}
.eyebrow .mono{color:#67727c;margin-left:8px}
.status-dot,.live-pill i,.footer-status i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
.hero h1,.section-heading h2,.faq-intro h2,.cta-band h2{margin:26px 0 20px;font-size:clamp(50px,6vw,82px);line-height:1.02;letter-spacing:0;font-weight:800}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero-lead{max-width:600px;color:#aab3bc;font-size:18px;line-height:1.85}
.hero-actions{display:flex;gap:12px;margin-top:34px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:50px;padding:0 22px;font-weight:800;font-size:14px;border:1px solid var(--line);transition:.2s}
.button:hover{transform:translateY(-2px);filter:brightness(1.08)}
.button-primary{background:var(--amber);border-color:var(--amber);color:#111}
.button-ghost{color:#d8dde2}
.button-dark{background:#1a2027}
.trust-row{display:flex;gap:24px;margin-top:30px;color:#77828d;font-size:12px}
.trust-row span::before{content:"✓";color:var(--green);margin-right:7px}
.network-visual{height:525px;border:1px solid var(--line);background:radial-gradient(circle at 50% 45%,#162536 0,#0d1319 45%,#090c10 80%);position:relative;overflow:hidden}
.network-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(76,167,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(76,167,255,.05) 1px,transparent 1px);background-size:32px 32px}
.visual-top{position:relative;z-index:2;display:flex;justify-content:space-between;padding:17px 19px;border-bottom:1px solid var(--line);font-size:10px;color:#697680}
.mono{font-family:ui-monospace,monospace}
.live-pill{display:flex;align-items:center;gap:7px;color:var(--green)}
.globe{position:relative;height:350px}
.core{position:absolute;left:50%;top:49%;transform:translate(-50%,-50%);display:grid;place-items:center;width:84px;height:84px;border-radius:50%;background:var(--amber);color:#111;box-shadow:0 0 0 15px rgba(255,198,46,.08),0 0 60px rgba(255,198,46,.2)}
.core span{font:900 24px/1 monospace;margin-top:13px}
.core small{font:700 8px/1 monospace;margin-bottom:16px}
.orbit{position:absolute;left:50%;top:50%;border:1px solid rgba(71,167,255,.23);border-radius:50%;transform:translate(-50%,-50%) rotate(-15deg)}
.orbit-one{width:260px;height:110px}
.orbit-two{width:330px;height:190px;transform:translate(-50%,-50%) rotate(28deg)}
.orbit b{position:absolute;width:5px;height:5px;background:var(--blue);border-radius:50%;box-shadow:0 0 10px var(--blue);animation:blink 1.5s infinite}
.orbit-one b{left:5%;top:40%}
.orbit-two b{right:9%;top:28%}
@keyframes blink{50%{opacity:.25}
}
.node{position:absolute;font:11px monospace;color:#a8b3bd;display:grid;grid-template-columns:9px auto;gap:2px 6px}
.node i{width:6px;height:6px;border-radius:50%;background:var(--blue);margin-top:5px;box-shadow:0 0 8px var(--blue)}
.node b{grid-column:2;color:#eef;font-size:12px}
.node-tokyo{right:12%;top:18%}
.node-la{left:8%;top:50%}
.node-sg{right:18%;bottom:16%}
.visual-stats{position:relative;display:grid;grid-template-columns:repeat(3,1fr);height:124px;border-top:1px solid var(--line)}
.visual-stats div{padding:22px;border-right:1px solid var(--line)}
.visual-stats div:last-child{border:0}
.visual-stats span{display:block;color:#697580;font:10px monospace}
.visual-stats strong{font:700 25px/1.8 monospace}
.visual-stats small{color:#68737d;margin-left:4px}
.ticker{margin-top:60px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap}
.ticker div{padding:14px 0;font:700 11px monospace;letter-spacing:2px;color:#6f7b84;animation:ticker 20s linear infinite}
.ticker i{display:inline-block;width:5px;height:5px;background:var(--amber);margin:0 28px;transform:rotate(45deg)}
@keyframes ticker{to{transform:translateX(-50%)}
}
.section-heading{display:grid;grid-template-columns:1fr 390px;gap:50px;align-items:end;margin-bottom:54px}
.section-heading h2,.faq-intro h2{font-size:clamp(38px,4.5vw,60px);margin:16px 0 0}
.section-heading>p,.faq-intro>p{color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:14px}
.feature{position:relative;min-height:315px;padding:30px;background:var(--surface);border:1px solid var(--line);overflow:hidden}
.feature:hover{border-color:#4e5a67}
.feature-main{grid-row:span 2}
.feature-wide{grid-column:span 2;min-height:220px;display:flex;justify-content:space-between;align-items:end;gap:30px}
.feature-no{position:absolute;right:20px;top:18px;color:#4e5963;font:11px monospace}
.feature h3{font-size:22px;margin:25px 0 10px}
.feature p{color:var(--muted)}
.feature ul,.price-card ul{list-style:none;padding:0;margin:26px 0}
.feature li{color:#b5bec6;margin:7px 0}
.feature li::before,.price-card li::before{content:"+";color:var(--amber);margin-right:10px}
.feature-icon{font-size:35px;color:var(--amber)}
.line-map{height:160px;display:flex;align-items:center;justify-content:center}
.line-map span{display:grid;place-items:center;width:55px;height:55px;border:1px solid var(--blue);font:800 12px monospace}
.line-map i{height:1px;width:70px;background:var(--blue)}
.line-map b{padding:7px;color:#111;background:var(--amber);font:700 9px monospace}
.spark-bars{height:65px;display:flex;align-items:flex-end;gap:5px;margin-top:34px}
.spark-bars i{flex:1;background:var(--blue);height:var(--h)}
.spark-bars i:nth-child(1){height:44%}
.spark-bars i:nth-child(2){height:71%}
.spark-bars i:nth-child(3){height:60%}
.spark-bars i:nth-child(4){height:86%}
.spark-bars i:nth-child(5){height:78%}
.spark-bars i:nth-child(6){height:91%}
.spark-bars i:nth-child(7){height:83%}
.spark-bars i:nth-child(8){height:95%}
.spark-bars i:nth-child(9){height:88%}
.spark-bars i:nth-child(10){height:92%}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:30px}
.tags span{border:1px solid #39434d;padding:5px 8px;font:9px monospace;color:#9faab4}
.city-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:46%}
.city-list span{display:flex;align-items:center;gap:7px;padding:11px;border-bottom:1px solid var(--line);font:12px monospace}
.city-list i{width:5px;height:5px;background:var(--green);border-radius:50%}
.city-list b{margin-left:auto;color:#89949e}
.pricing-section{background:#0b0f14}
.billing{padding:4px;border:1px solid var(--line);display:flex;width:max-content}
.billing button{border:0;background:none;color:#8f9aa4;padding:10px 16px;cursor:pointer}
.billing button.active{background:var(--text);color:#101317}
.billing small{color:#9b7400}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:stretch}
.price-card{position:relative;padding:35px;background:var(--surface);border:1px solid var(--line)}
.price-card.featured{border-color:var(--amber);background:#14150f;transform:translateY(-14px)}
.popular{position:absolute;right:-1px;top:-31px;padding:7px 13px;background:var(--amber);color:#111;font:800 10px monospace}
.price-card h3{font-size:27px;margin:14px 0 4px}
.price-card>p{color:var(--muted);margin:0}
.price{margin:30px 0;border-bottom:1px solid var(--line);padding-bottom:25px}
.price sup{font-size:20px}
.price strong{font:700 54px/1 monospace}
.price span{color:var(--muted)}
.price-card ul{min-height:165px}
.price-card li{margin:12px 0;color:#c0c7ce}
.price-card .button{width:100%}
.fineprint{text-align:center;color:#68737d;font-size:12px;margin-top:24px}
.speed-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}
.speed-screen,.latency-panel,.unlock-panel{margin:0;border:1px solid var(--line);background:var(--surface)}
.screen-bar{height:48px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px;color:#66717b;font:10px monospace}
.screen-bar span{display:flex;gap:5px}
.screen-bar i{width:6px;height:6px;background:#45505a;border-radius:50%}
.video-test{height:390px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(circle,#1d2b38 0,#0b1015 67%)}
.video-test::before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(71,167,255,.2);border-radius:50%;box-shadow:0 0 0 55px rgba(71,167,255,.025),0 0 0 110px rgba(71,167,255,.018)}
.quality{position:absolute;left:24px;top:24px;color:var(--amber);font:900 30px monospace}
.quality small{color:#64717c;font-size:9px}
.gauge{position:relative;text-align:center}
.gauge span{display:block;font:700 96px/1 monospace}
.gauge small{color:var(--blue);font:12px monospace}
.test-meta{position:absolute;bottom:24px;left:24px;right:24px;display:flex;justify-content:space-between;color:#64717c;font:9px monospace}
.test-meta b{color:#dce2e6;margin-left:8px}
.speed-screen figcaption{height:60px;padding:18px;color:#aab3bc;font-size:13px}
.speed-side{display:grid;gap:14px}
.latency-panel,.unlock-panel{padding:24px}
.panel-label{display:block;color:#7d8994;margin-bottom:25px}
.latency-row{display:grid;grid-template-columns:80px 1fr 52px;align-items:center;gap:10px;margin:18px 0;color:#8e99a3;font-size:12px}
.latency-row>i{height:5px;background:#1d252d}
.latency-row>i b{display:block;height:100%;background:#56616b}
.latency-row strong{font:700 12px monospace;text-align:right}
.latency-row.accent i b{background:var(--amber)}
.latency-row.accent strong{color:var(--amber)}
.latency-panel>small{font-size:10px;color:#606b74}
.unlock-panel table{width:100%;border-collapse:collapse;font-size:12px}
.unlock-panel th,.unlock-panel td{padding:11px 0;border-bottom:1px solid var(--line);text-align:left}
.unlock-panel th{font-weight:600}
.unlock-panel td{color:#89949d}
.unlock-panel td:last-child{text-align:right;color:var(--green)}
.unlock-panel td i{display:inline-block;width:5px;height:5px;background:var(--green);border-radius:50%;margin-right:6px}
.ai-section{background:#0b0f14}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tool-card{border:1px solid var(--line);background:var(--surface);padding:22px;min-height:175px;position:relative;transition:.2s}
.tool-card:hover{transform:translateY(-4px);border-color:#56616b}
.tool-card>div{position:absolute;bottom:20px}
.tool-card h3{margin:0;font-size:18px}
.tool-card p{margin:2px 0;color:var(--muted);font-size:12px}
.tool-card>b{position:absolute;right:20px;top:17px;color:#59646e}
.tool-letter{display:grid;place-items:center;width:42px;height:42px;background:#e7ecef;color:#111;font-weight:900}
.tool-letter.warm{background:#d69f7b}
.tool-letter.blue{background:#4a78ff;color:white}
.tool-letter.cyan{background:#55cad4;color:#071116}
.guide-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-top:14px}
.guide-strip div{padding:24px;border-right:1px solid var(--line)}
.guide-strip div:last-child{border:0}
.guide-strip span{display:block;color:#707b85;font:10px monospace}
.guide-strip strong{display:block;margin:7px 0}
.guide-strip p{margin:0;color:var(--muted);font-size:12px}
.tutorial-layout{border:1px solid var(--line);background:var(--surface)}
.platform-tabs{display:flex;border-bottom:1px solid var(--line)}
.platform-tabs button{flex:1;padding:18px;background:none;border:0;border-right:1px solid var(--line);color:#87929b;cursor:pointer}
.platform-tabs button:last-child{border:0}
.platform-tabs button.active{background:var(--amber);color:#111;font-weight:800}
.tutorial-panel{display:grid;grid-template-columns:repeat(3,1fr)}
.tutorial-panel>div{padding:40px;border-right:1px solid var(--line)}
.tutorial-panel>div:last-child{border:0}
.tutorial-panel h3{font-size:20px;margin:18px 0 8px}
.tutorial-panel p{color:var(--muted);font-size:13px}
.client-links{display:flex;border-top:1px solid var(--line)}
.client-links a{flex:1;padding:16px 22px;border-right:1px solid var(--line);font-size:12px}
.client-links a:last-child{border:0}
.client-links span{float:right;color:var(--amber)}
.faq-section{background:#0b0f14}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:90px}
.faq-intro{position:sticky;top:110px;align-self:start}
.text-link{display:inline-block;color:var(--amber);font-weight:700;margin-top:20px}
.accordion details{border-top:1px solid var(--line)}
.accordion details:last-child{border-bottom:1px solid var(--line)}
.accordion summary{cursor:pointer;list-style:none;padding:26px 50px 26px 0;font-weight:700;position:relative}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary span::before,.accordion summary span::after{content:"";position:absolute;right:10px;top:34px;width:15px;height:1px;background:var(--amber)}
.accordion summary span::after{transform:rotate(90deg);transition:.2s}
.accordion details[open] summary span::after{transform:rotate(0)}
.accordion details div{padding:0 60px 24px 0;color:var(--muted);font-size:14px}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.article-card{border:1px solid var(--line);background:var(--surface);padding:30px;min-height:240px;display:flex;flex-direction:column}
.article-card>span{color:var(--amber);font:10px monospace}
.article-card h3{font-size:23px;max-width:470px;margin:22px 0 8px}
.article-card p{color:var(--muted);font-size:13px}
.article-card a{margin-top:auto;color:#bbc4cc;font-size:13px}
.cta-band{text-align:center;padding:100px 20px;background:var(--text);color:#0b0e12}
.cta-band h2{font-size:clamp(48px,7vw,86px);margin:15px 0 4px}
.cta-band p{color:#66717b}
.cta-band .button{margin-top:20px}
.site-footer{padding:70px 0 25px;background:#06080b}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:40px}
.footer-grid>div{display:flex;flex-direction:column;gap:9px}
.footer-grid p,.footer-grid a{color:#7b8690;font-size:12px}
.footer-grid strong{font-size:12px;margin-bottom:8px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:60px;padding-top:20px;border-top:1px solid var(--line);color:#5d6871;font:9px monospace}
.footer-bottom p{margin:0}
.footer-status{display:flex;align-items:center;gap:7px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:1050px){.nav-links{position:fixed;left:0;right:0;top:var(--header);display:none;flex-direction:column;align-items:stretch;background:#0b0f14;padding:18px 20px;border-bottom:1px solid var(--line)}
.nav-links.open{display:flex}
.nav-links a{padding:9px 0}
.menu-toggle{display:block;margin-left:auto}
.nav-cta{display:none}
.hero-grid{grid-template-columns:1fr}
.hero{padding-top:130px}
.network-visual{max-width:650px;width:100%;margin:auto}
.feature-grid{grid-template-columns:1fr 1fr}
.feature-main{grid-row:auto}
.feature-wide{grid-column:span 2}
.tool-grid{grid-template-columns:1fr 1fr}
.faq-layout{gap:50px}
.hero-grid{min-height:auto}
.hero-copy{padding-bottom:30px}
}

@media(max-width:720px){:root{--header:64px}
.container{width:min(100% - 28px,var(--max))}
.section{padding:78px 0}
.hero{padding-top:105px}
.hero h1{font-size:48px}
.hero-lead{font-size:15px}
.hero-actions{flex-direction:column;align-items:stretch}
.trust-row{display:grid;gap:7px}
.network-visual{height:460px}
.globe{height:290px}
.visual-stats{height:120px}
.visual-stats div{padding:16px 10px}
.visual-stats strong{font-size:20px}
.section-heading{grid-template-columns:1fr;gap:20px;margin-bottom:35px}
.section-heading h2,.faq-intro h2{font-size:40px}
.feature-grid,.pricing-grid,.speed-grid,.tutorial-panel,.faq-layout,.article-grid,.footer-grid{grid-template-columns:1fr}
.feature-wide{grid-column:auto;display:block}
.city-list{width:100%;margin-top:30px}
.price-card.featured{transform:none;margin-top:25px}
.popular{top:-27px}
.tool-grid{grid-template-columns:1fr 1fr}
.guide-strip{grid-template-columns:1fr}
.guide-strip div{border-right:0;border-bottom:1px solid var(--line)}
.guide-strip div:last-child{border-bottom:0}
.platform-tabs{overflow:auto}
.platform-tabs button{min-width:100px}
.tutorial-panel>div{border-right:0;border-bottom:1px solid var(--line);padding:28px}
.client-links{display:grid}
.client-links a{border-right:0;border-bottom:1px solid var(--line)}
.faq-intro{position:static}
.footer-grid{grid-template-columns:1fr 1fr}
.footer-grid>div:first-child{grid-column:span 2}
.footer-bottom{flex-direction:column;text-align:center;gap:12px}
.video-test{height:330px}
.gauge span{font-size:72px}
}

@media(max-width:440px){.tool-grid{grid-template-columns:1fr}
.visual-stats small{display:none}
.globe{transform:scale(.9)}
.section-heading h2,.faq-intro h2{font-size:34px}
.footer-grid{grid-template-columns:1fr}
.footer-grid>div:first-child{grid-column:auto}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.ticker div,.orbit b{animation:none}
.reveal{opacity:1;transform:none;transition:none}
}

.video-test::before{z-index:1}
.video-test>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32;mix-blend-mode:screen}
.quality,.gauge,.test-meta{z-index:2}

.brand-logo{display:block;width:52px;height:52px;object-fit:contain;flex:0 0 auto}
.brand-logo-footer{width:64px;height:64px}
.site-footer .brand{width:max-content}
@media(max-width:720px){.brand-logo{width:46px;height:46px}
.brand small{display:none}
.nav{gap:14px}
}

.nav-links a[aria-current="page"]{color:var(--amber)}
.inner-page{padding-top:var(--header)}
.page-hero{padding:100px 0 72px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 78% 35%,rgba(71,167,255,.11),transparent 30%)}
.page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:end;gap:70px}
.page-hero h1{font-size:clamp(48px,6vw,78px);line-height:1.04;margin:20px 0}
.page-hero p{max-width:670px;color:var(--muted);font-size:17px}
.page-index{border-left:1px solid var(--line);padding-left:30px}
.page-index span{display:block;color:#64717c;font:10px monospace;margin-bottom:12px}
.page-index strong{display:block;font:700 30px monospace;color:var(--amber)}
.content-band{padding:85px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.content-band.alt{background:#0b0f14}
.content-heading{display:grid;grid-template-columns:340px 1fr;gap:70px;margin-bottom:40px}
.content-heading h2{font-size:34px;line-height:1.2;margin:0}
.content-heading p{color:var(--muted);margin:0}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.info-card{border:1px solid var(--line);background:var(--surface);padding:28px;min-height:220px}
.info-card .metric{display:block;font:700 38px monospace;color:var(--amber);margin:22px 0 8px}
.info-card h2,.info-card h3{font-size:20px;margin:14px 0 8px}
.info-card p{font-size:13px;color:var(--muted)}
.info-card ul{padding-left:18px;color:#aeb7bf;font-size:13px}
.data-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line)}
.data-table th,.data-table td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--line);font-size:13px}
.data-table th{color:#77838d;font:10px monospace}
.data-table td:last-child{color:var(--green)}
.steps{counter-reset:steps;display:grid;gap:12px}
.step-row{counter-increment:steps;display:grid;grid-template-columns:80px 1fr auto;align-items:center;gap:25px;border:1px solid var(--line);padding:24px;background:var(--surface)}
.step-row::before{content:"0" counter(steps);color:var(--amber);font:700 18px monospace}
.step-row h3{margin:0 0 4px}
.step-row p{margin:0;color:var(--muted);font-size:13px}
.step-row span{color:#707c86;font:10px monospace}
.article-body{max-width:840px}
.article-body h2{font-size:32px;margin-top:55px}
.article-body h3{font-size:21px;margin-top:34px}
.article-body p,.article-body li{color:#a5afb8}
.article-body code{color:var(--amber)}
.subpage-cta{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:40px;border:1px solid var(--line);background:var(--surface)}
.subpage-cta h2{margin:0}
.subpage-cta p{margin:5px 0 0;color:var(--muted)}
@media(max-width:800px){.page-hero-grid,.content-heading{grid-template-columns:1fr;gap:28px}
.page-index{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}
.info-grid{grid-template-columns:1fr}
.step-row{grid-template-columns:45px 1fr}
.step-row span{grid-column:2}
.subpage-cta{display:block}
.subpage-cta .button{margin-top:22px}
.page-hero{padding:70px 0 55px}
}

/* Manual light switch: restrained, readable, and persistent via script.js. */
.theme-toggle{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;padding:0;border:1px solid #3b4853;background:#101820;color:#f3c84b;font-size:18px;cursor:pointer;transition:.2s}.theme-toggle:hover{border-color:#6d7b87;background:#17222c}.theme-toggle:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
html[data-theme="light"]{--bg:#f4f1ea;--surface:#fff;--surface-2:#edf1f3;--line:#cbd2d6;--text:#172028;--muted:#5f6c75;--amber:#b97800;--blue:#176fa8;--green:#16784d}
html[data-theme="light"] body{background:var(--bg);color:var(--text)}html[data-theme="light"] body::before{background-image:linear-gradient(rgba(18,31,40,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(18,31,40,.035) 1px,transparent 1px)}
html[data-theme="light"] .site-header{background:rgba(248,246,241,.92);border-bottom-color:#cdd3d6}html[data-theme="light"] .nav-links a{color:#48545d}html[data-theme="light"] .nav-links a:hover,html[data-theme="light"] .nav-links a.active,html[data-theme="light"] .nav-links a[aria-current="page"]{color:#9a6200}
html[data-theme="light"] .theme-toggle,html[data-theme="light"] .nav-cta{background:#fff;border-color:#bcc6cc;color:#172028;box-shadow:none}html[data-theme="light"] .theme-toggle{color:#304b61}html[data-theme="light"] .nav-cta-copy strong{color:#172028}
html[data-theme="light"] .pricing-section,html[data-theme="light"] .ai-section,html[data-theme="light"] .faq-section,html[data-theme="light"] .content-band.alt{background:#ebeef0}html[data-theme="light"] .feature,html[data-theme="light"] .price-card,html[data-theme="light"] .tool-card,html[data-theme="light"] .tutorial-layout,html[data-theme="light"] .article-card,html[data-theme="light"] .info-card,html[data-theme="light"] .step-row,html[data-theme="light"] .subpage-cta{background:#fff}
html[data-theme="light"] .site-footer{background:#172028;color:#eef2f4}html[data-theme="light"] .site-footer a,html[data-theme="light"] .site-footer p{color:#b6c0c7}html[data-theme="light"] .button-dark{background:#25313a;color:#fff}
@media(max-width:1080px){.theme-toggle{margin-left:auto}}@media(max-width:720px){.theme-toggle{width:38px;height:38px;flex-basis:38px}.nav{gap:8px}}