:root{font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#111;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #111111;--muted: #667085;--line: #dfe3e8;--soft-line: #edf0f2;--blue: #2457ff;--blue-dark: #123ed0;--blue-soft: #f4f7ff;--green: #057a55;--green-soft: #e9f8f2;--white: #ffffff;--off-white: #f8fafc;--warning: #8a5a00;--warning-soft: #fff6df}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;overflow-x:clip;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}a{color:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}svg{stroke-width:1.8}.shell{width:min(1120px,calc(100% - 40px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(219,228,239,.88);background:#fffffff5;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{min-height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.brand img{width:38px;height:38px;border-radius:8px}.brand span{display:grid;gap:1px}.brand strong{font-size:1rem;line-height:1.1}.brand small{color:var(--muted);font-size:.72rem;line-height:1.1}.desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:30px}.desktop-nav a{color:#3f4d60;font-size:.88rem;font-weight:600;text-decoration:none}.desktop-nav a:hover,.desktop-nav a:focus-visible{color:var(--blue-dark)}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 22px;border:1px solid transparent;border-radius:8px;font:inherit;font-size:.94rem;font-weight:750;line-height:1;text-align:center;text-decoration:none;transition:transform .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease}.button svg{width:18px;height:18px;flex:0 0 auto}.button:hover{transform:translateY(-2px)}.button:focus-visible,.desktop-nav a:focus-visible,.brand:focus-visible,.faq-list summary:focus-visible,.source-links a:focus-visible,.official-reference a:focus-visible{outline:3px solid rgba(50,108,255,.24);outline-offset:3px}.button-small{min-height:40px;padding-inline:16px;font-size:.84rem}.button-dark{color:var(--white);background:var(--ink);box-shadow:0 10px 24px #10182026}.button-dark:hover{background:#273441}.button-primary{color:var(--white);background:var(--blue);box-shadow:0 12px 28px #326cff3b}.button-primary:hover{background:var(--blue-dark)}.button-secondary{color:var(--ink);border-color:#cbd7e6;background:var(--white)}.button-secondary:hover{border-color:#9fb1c8;background:#f8fbff}.button-light{color:var(--ink);background:var(--white);box-shadow:0 12px 28px #0715262e}.hero-section{min-height:min(650px,calc(100svh - 150px));display:grid;align-items:center;padding:64px 0 58px;border-bottom:1px solid var(--line);background:#fff}.hero-content{min-width:0;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);align-items:center;gap:76px}.hero-copy-column{min-width:0}.eyebrow{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:6px 12px;border:1px solid #d9dee5;border-radius:6px;color:#3e4854;background:#f7f8fa;font-size:.79rem;font-weight:700}.status-dot{width:8px;height:8px;border-radius:50%;background:#19a775;box-shadow:0 0 0 4px #19a7751f}.hero-content h1{width:100%;max-width:700px;margin:24px 0 20px;font-size:4.15rem;font-weight:820;line-height:1.02;letter-spacing:0;overflow-wrap:anywhere}.hero-content h1 span{display:block;margin-top:8px;color:var(--ink);font-size:inherit;font-weight:inherit;line-height:inherit}.hero-copy{width:100%;max-width:620px;margin:0;color:#53657b;font-size:1.02rem;line-height:1.75}.benefit-strip{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px 20px;margin-top:22px;padding:0;border:0;border-radius:0;color:#3f5268;background:transparent;font-size:.84rem;font-weight:650}.benefit-strip span{display:inline-flex;align-items:center;gap:7px}.benefit-strip svg{width:16px;height:16px;color:var(--green)}.hero-actions{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:12px;margin-top:26px}.hero-actions .button{min-width:188px}.hero-note{max-width:620px;margin:14px 0 0;color:#6c7b8f;font-size:.79rem;line-height:1.6}.hero-product{overflow:hidden;border:1px solid #dfe3e8;border-radius:8px;background:#fff;box-shadow:0 28px 70px #1118271f}.hero-product-head{display:grid;grid-template-columns:48px minmax(0,1fr) 28px;align-items:center;gap:14px;padding:24px;border-bottom:1px solid var(--soft-line)}.hero-product-head img{width:48px;height:48px;border-radius:8px}.hero-product-head div,.hero-product-row div{display:grid;gap:5px}.hero-product-head strong{font-size:1.08rem}.hero-product-head span,.hero-product-row span,.hero-product-foot span{color:var(--muted);font-size:.78rem;line-height:1.45}.hero-product-head>svg{width:24px;color:var(--green)}.hero-product-row{display:grid;grid-template-columns:44px minmax(0,1fr) 22px;align-items:center;gap:14px;padding:20px 24px;border-bottom:1px solid var(--soft-line)}.hero-product-row>svg{width:19px;color:#8893a2}.hero-product-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;color:var(--blue-dark)!important;background:var(--blue-soft)}.hero-product-icon-green{color:var(--green)!important;background:var(--green-soft)}.hero-product-icon svg{width:21px}.hero-product-foot{display:flex;align-items:flex-start;gap:10px;padding:18px 24px;background:#f7f8fa}.hero-product-foot svg{width:18px;flex:0 0 auto;color:var(--green)}.trust-band{border-bottom:1px solid var(--line);background:var(--white)}.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.trust-grid>div{min-height:116px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:24px 16px;text-align:center}.trust-grid>div+div{border-left:1px solid var(--soft-line)}.trust-grid strong{font-size:1.12rem}.trust-grid span{color:var(--muted);font-size:.77rem}.section{padding:92px 0;background:var(--white)}.section-soft{background:var(--off-white)}.section[id]{scroll-margin-top:92px}.section-heading{max-width:700px;margin:0 auto 44px;text-align:center}.section-heading>span,.final-cta-inner>div>span{display:block;margin-bottom:10px;color:var(--blue-dark);font-size:.75rem;font-weight:800;text-transform:uppercase}.section-heading h2,.final-cta h2{margin:0;font-size:2.35rem;line-height:1.2;letter-spacing:0}.section-heading p,.final-cta p{margin:14px 0 0;color:var(--muted);font-size:.96rem;line-height:1.75}.align-left{max-width:760px;margin-left:0;text-align:left}.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.step-card,.feature-card{border:1px solid var(--line);border-radius:8px;background:var(--white);box-shadow:0 12px 36px #1f37520d}.step-card{min-height:240px;padding:26px}.step-topline{display:flex;align-items:center;justify-content:space-between;color:var(--blue)}.step-topline span{font-size:.75rem;font-weight:850}.step-topline svg{width:25px;height:25px}.step-card h3,.feature-card h3,.download-row h3{margin:58px 0 8px;font-size:1.12rem;line-height:1.35}.step-card p,.feature-card p,.download-row p{margin:0;color:var(--muted);font-size:.87rem;line-height:1.7}.platform-list{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:28px}.platform-list span{min-height:34px;display:inline-flex;align-items:center;gap:7px;padding:0 13px;border:1px solid var(--line);border-radius:999px;color:#4d5e72;background:var(--white);font-size:.78rem;font-weight:650}.platform-list svg{width:15px;height:15px}.download-section{border-top:1px solid var(--soft-line)}.download-table{border-top:1px solid var(--ink)}.download-row{display:grid;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:22px;min-height:154px;padding:28px 0;border-bottom:1px solid var(--line)}.device-icon{width:60px;height:60px;display:grid;place-items:center;border-radius:8px;color:var(--ink);background:#edf1f5}.device-icon-green{color:var(--green);background:var(--green-soft)}.device-icon-blue{color:var(--blue-dark);background:var(--blue-soft)}.device-icon svg{width:28px;height:28px}.device-copy{max-width:650px}.download-row h3{margin:0 0 7px}.download-row .button{min-width:190px}.official-reference{display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:16px;margin-top:28px;padding:18px 20px;border:1px solid #e9d8aa;border-radius:8px;color:var(--warning);background:var(--warning-soft)}.official-reference>svg{width:28px;height:28px}.official-reference div{display:grid;gap:4px}.official-reference strong{font-size:.9rem}.official-reference span{color:#735f31;font-size:.78rem;line-height:1.55}.official-reference a,.source-links a{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:750;text-decoration:none}.official-reference a svg,.source-links a svg{width:15px;height:15px}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.feature-card{min-height:228px;padding:24px}.feature-card>svg{width:30px;height:30px;color:var(--blue-dark)}.feature-card h3{margin:46px 0 8px;font-size:1rem}.source-links{display:flex;justify-content:center;gap:28px;margin-top:28px}.source-links a{color:var(--blue-dark)}.faq-section{border-top:1px solid var(--soft-line)}.faq-layout{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);align-items:start;gap:80px}.faq-heading{position:sticky;top:110px;margin-bottom:0}.faq-list{border-top:1px solid var(--ink)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{padding:22px 4px;cursor:pointer;font-size:.98rem;font-weight:720;line-height:1.55}.faq-list details[open] summary{color:var(--blue-dark)}.faq-list p{margin:0;padding:0 4px 24px 26px;color:var(--muted);font-size:.87rem;line-height:1.8}.final-cta{padding:58px 0;color:var(--white);background:#0b1520}.final-cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:48px}.final-cta-inner>div>span{color:#8fb4ff}.final-cta h2{font-size:2rem}.final-cta p{color:#aab7c6}.final-cta .button{min-width:170px}.site-footer{padding:34px 0 40px;border-top:1px solid #d9e2ec;background:#eaf0f8}.footer-grid{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:48px}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{width:42px;height:42px;border-radius:8px}.footer-brand>div{display:grid;gap:4px}.footer-brand strong{font-size:.86rem}.footer-brand span{color:var(--muted);font-size:.7rem}.site-footer p{max-width:760px;justify-self:end;margin:0;color:#66778c;font-size:.72rem;line-height:1.7}.footer-copy{display:grid;justify-items:end;gap:12px}.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:18px}.footer-links a{color:#405269;font-size:.75rem;font-weight:700;text-decoration:none}.footer-links a:hover,.footer-links a:focus-visible{color:var(--blue-dark)}.guide-entry-section{border-bottom:1px solid var(--line)}.guide-main{background:var(--white)}.guide-hero{padding:56px 0 66px;border-bottom:1px solid var(--line);background:#eef4ff}.guide-hero-security{background:#eef7f3}.breadcrumb{display:flex;align-items:center;gap:9px;margin-bottom:46px;color:#607085;font-size:.78rem}.breadcrumb a{display:inline-flex;align-items:center;gap:6px;font-weight:700;text-decoration:none}.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--blue-dark)}.breadcrumb svg{width:15px;height:15px}.guide-kicker,.guide-section-label,.related-link>span{color:var(--blue-dark);font-size:.75rem;font-weight:800}.guide-hero h1{max-width:920px;margin:14px 0 18px;font-size:3.15rem;font-weight:820;line-height:1.12;letter-spacing:0;overflow-wrap:anywhere}.guide-hero>.shell>p{max-width:790px;margin:0;color:#506278;font-size:1.02rem;line-height:1.85}.guide-facts{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(132,154,181,.3)}.guide-facts span{display:inline-flex;align-items:center;gap:8px;color:#3f5268;font-size:.82rem;font-weight:700}.guide-facts svg{width:17px;height:17px;color:var(--green)}.guide-layout{display:grid;grid-template-columns:210px minmax(0,760px);justify-content:space-between;align-items:start;gap:72px;padding-top:72px;padding-bottom:92px}.guide-toc{position:sticky;top:104px;display:grid;gap:0;border-top:1px solid var(--ink)}.guide-toc strong{padding:18px 0 12px;font-size:.78rem}.guide-toc a{padding:9px 0;color:#607085;font-size:.78rem;text-decoration:none}.guide-toc a:hover,.guide-toc a:focus-visible{color:var(--blue-dark)}.guide-article{min-width:0}.guide-article>section{padding:0 0 64px;scroll-margin-top:108px}.guide-article>section+section{padding-top:64px;border-top:1px solid var(--line)}.guide-article h2{margin:10px 0 18px;font-size:2rem;line-height:1.25;letter-spacing:0}.guide-article h3{margin:0 0 7px;font-size:1rem;line-height:1.45}.guide-article p,.guide-article li{color:#53657b;font-size:.94rem;line-height:1.85}.guide-article p{margin:0 0 18px}.check-list,.warning-list,.number-list{margin:24px 0;padding:0;list-style:none}.check-list li,.warning-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--soft-line)}.check-list li:before,.warning-list li:before{position:absolute;left:2px;top:16px;width:10px;height:10px;border:3px solid var(--white);border-radius:50%;background:var(--green);box-shadow:0 0 0 1px #98cdbb;content:""}.warning-list li:before{background:#b43d2e;box-shadow:0 0 0 1px #d9a097}.guide-callout{display:grid;grid-template-columns:34px minmax(0,1fr);gap:16px;margin-top:28px;padding:22px;border:1px solid #d9c58d;border-radius:8px;color:var(--warning);background:var(--warning-soft)}.guide-callout-danger{border-color:#edc7c1;color:#942f24;background:#fff2f0}.guide-callout>svg{width:28px;height:28px}.guide-callout strong{display:block;margin-bottom:5px;font-size:.9rem}.guide-callout p{margin:0;color:#735f31;font-size:.8rem;line-height:1.65}.guide-callout-danger p{color:#7a4a44}.process-list{margin-top:28px;border-top:1px solid var(--ink)}.process-item{display:grid;grid-template-columns:34px 32px minmax(0,1fr);gap:18px;padding:26px 0;border-bottom:1px solid var(--line)}.process-item>span{color:var(--blue);font-size:.72rem;font-weight:850}.process-item>svg{width:24px;height:24px;color:#38536f}.process-item p{margin:0;font-size:.86rem}.guide-primary-action{margin-top:8px}.action-note{margin-top:10px!important;font-size:.76rem!important}.plain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}.plain-grid>div{min-height:180px;padding:22px;border:1px solid var(--line);border-radius:8px}.plain-grid svg{width:27px;height:27px;margin-bottom:34px;color:var(--blue-dark)}.plain-grid p{margin:0;font-size:.84rem}.official-text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue-dark);font-size:.84rem;font-weight:750;text-decoration:none}.official-text-link svg{width:16px;height:16px}.compact-faq{margin-top:24px}.identity-table{margin:28px 0;border-top:1px solid var(--ink)}.identity-table>div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.identity-table strong{font-size:.88rem}.identity-table span{color:#53657b;font-size:.86rem;line-height:1.65}.number-list{counter-reset:guide-step;border-top:1px solid var(--ink)}.number-list li{position:relative;counter-increment:guide-step;padding:22px 0 22px 58px;border-bottom:1px solid var(--line)}.number-list li:before{position:absolute;left:0;top:24px;color:var(--blue);font-size:.75rem;font-weight:850;content:"0" counter(guide-step)}.number-list strong{display:block;color:var(--ink)}.source-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.related-guides{padding:72px 0 84px;border-top:1px solid var(--line);background:var(--off-white)}.related-guides .section-heading{margin-bottom:26px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.related-link{position:relative;min-height:210px;display:flex;flex-direction:column;align-items:flex-start;padding:26px;border:1px solid var(--line);border-radius:8px;background:var(--white);text-decoration:none;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.related-link:hover,.related-link:focus-visible{border-color:#9eb6d6;box-shadow:0 14px 34px #1f375214;transform:translateY(-2px)}.related-link strong{margin-top:36px;font-size:1.18rem}.related-link p{max-width:460px;margin:8px 42px 0 0;color:var(--muted);font-size:.84rem;line-height:1.7}.related-link>svg{position:absolute;right:24px;bottom:24px;width:22px;height:22px;color:var(--blue-dark)}.mobile-cta{display:none}@media(max-width:900px){.desktop-nav{display:none}.header-inner{grid-template-columns:1fr auto}.hero-content h1{font-size:3.2rem}.hero-content h1 span{font-size:2rem}.hero-content{grid-template-columns:minmax(0,1fr) 330px;gap:38px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.faq-layout{grid-template-columns:1fr;gap:34px}.faq-heading{position:static}.guide-layout{grid-template-columns:1fr;gap:42px}.guide-toc{position:static;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:18px}.guide-toc strong{grid-column:1 / -1}}@media(max-width:720px){.shell{width:min(100% - 28px,1120px)}.site-header .button-small{display:none}.header-inner{min-height:64px}.hero-section{min-height:auto;padding:28px 0 30px}.hero-content{display:block}.hero-content h1{margin:16px 0 12px;font-size:2rem;line-height:1.08;word-break:normal}.hero-content h1 span{margin-top:5px;font-size:inherit;word-break:normal}.hero-copy{font-size:.94rem;line-height:1.58}.guide-hero{padding:34px 0 48px}.breadcrumb{margin-bottom:34px}.guide-hero h1{font-size:2rem;line-height:1.2}.guide-hero>.shell>p{font-size:.92rem;line-height:1.75}.guide-facts{align-items:flex-start;flex-direction:column;gap:11px}.guide-layout{padding-top:52px;padding-bottom:68px}.guide-toc{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-article>section{padding-bottom:50px}.guide-article>section+section{padding-top:50px}.guide-article h2{font-size:1.58rem}.process-item{grid-template-columns:28px 27px minmax(0,1fr);gap:12px}.plain-grid,.related-grid{grid-template-columns:1fr}.identity-table>div{grid-template-columns:1fr;gap:7px}.related-guides{padding:58px 0 68px}.benefit-strip{width:100%;justify-content:flex-start;gap:8px 14px;margin-top:16px}.benefit-strip span{width:auto}.hero-actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px}.hero-actions .button{width:100%;min-width:0;padding-inline:12px}.hero-product{display:none}.hero-note{margin-top:12px;font-size:.72rem;line-height:1.45}.trust-grid{grid-template-columns:1fr}.trust-grid>div{min-height:104px;padding:18px 8px}.trust-grid>div+div{border-left:0}.trust-grid>div:nth-child(2n){border-left:0}.trust-grid>div:nth-child(n+2){border-top:1px solid var(--soft-line)}.section{padding:68px 0}.section-heading{margin-bottom:32px}.section-heading h2,.final-cta h2{font-size:1.8rem}.step-grid{grid-template-columns:1fr}.step-card{min-height:205px}.step-card h3{margin-top:42px}.download-row{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:24px 0}.device-icon{width:52px;height:52px}.download-row .button{width:100%;grid-column:1 / -1}.official-reference{grid-template-columns:34px minmax(0,1fr)}.official-reference a{grid-column:2;justify-self:start}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:190px}.feature-card h3{margin-top:34px}.source-links{align-items:flex-start;flex-direction:column;gap:14px}.faq-list p{padding-left:20px}.final-cta{padding:48px 0}.final-cta-inner{grid-template-columns:1fr;gap:24px}.final-cta .button{width:100%}.footer-grid{grid-template-columns:1fr;gap:22px}.footer-copy{justify-items:start}.footer-links{justify-content:flex-start}.site-footer{padding-bottom:104px}.site-footer p{justify-self:start}.mobile-cta{position:fixed;right:0;bottom:0;left:0;z-index:50;display:grid;grid-template-columns:1.25fr .75fr;gap:8px;padding:10px 14px max(10px,env(safe-area-inset-bottom));border-top:1px solid rgba(203,215,230,.9);background:#fffffff5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.mobile-cta .button{width:100%}}@media(max-width:390px){.brand small{display:none}.hero-content h1{font-size:1.78rem}.hero-content h1 span{font-size:inherit}.benefit-strip span{width:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}:root{--ink: #f5f7fb;--muted: #939caf;--line: #202737;--soft-line: #1a2130;--off-white: #0d1119;--blue: #0f5cff;--blue-dark: #3578ff;--blue-soft: #101a31;--green: #00bda8;--green-soft: #0b2828;--warning-soft: #2c2412}body{color:var(--ink);background:#080b11}.site-header{border-color:#171d29;background:#070a0ff5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.header-inner{min-height:70px;grid-template-columns:auto 1fr auto}.brand,.desktop-nav a{color:#f8fafc}.brand img{border:1px solid #242c3c}.brand small{color:#8f99ad}.desktop-nav a:hover,.desktop-nav a:focus-visible{color:#4d88ff}.header-actions{display:flex;gap:10px}.button-primary{color:#fff;background:#0f5cff;box-shadow:0 12px 30px #0f5cff42}.button-primary:hover{background:#2b70ff}.button-accent{color:#fff;background:#00aeb7;box-shadow:0 12px 28px #00aeb733}.button-accent:hover{background:#00c3c7}.button-dark,.button-light{color:#071018;background:#fff}.button-secondary{color:#f6f8fb;border-color:#364055;background:#0c111a}.button-secondary:hover{border-color:#60708c;background:#131a27}.hero-section{min-height:min(720px,calc(100svh - 112px));padding:74px 0 64px;border-color:#181f2d;background:#090d15}.hero-content{grid-template-columns:minmax(0,1fr) minmax(390px,.92fr);gap:70px}.eyebrow{display:none}.hero-content h1{max-width:650px;margin:0 0 20px;color:#f7f9fc;font-size:3.55rem;line-height:1.06}.hero-content h1 span{margin-top:5px;color:#f7f9fc}.hero-content h1 em{color:#1766ff;font-style:normal}.hero-copy{color:#929bad;font-size:1.03rem;line-height:1.85}.hero-actions{margin-top:28px}.hero-actions .button{min-width:160px}.hero-actions .button-secondary{border-color:transparent;background:linear-gradient(135deg,#00b9a8,#00aee8);box-shadow:0 12px 28px #00b4c32e}.hero-metrics{max-width:360px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:34px;padding-top:26px;border-top:1px solid #202737}.hero-metrics span{display:grid;gap:7px}.hero-metrics strong{color:#f8fafc;font-size:1.32rem}.hero-metrics small{color:#8f99ad;font-size:.76rem}.hero-note{color:#778196}.hero-product{border-color:#252d42;background:#151a2e;box-shadow:0 30px 70px #0000004d}.hero-product-head{grid-template-columns:minmax(0,1fr) auto;border-color:#252d42}.hero-product-head strong,.hero-product-row strong{color:#eef2f8}.hero-product-head span,.hero-product-row span,.hero-product-foot span{color:#8f99ad}.market-status{color:#6f7d96!important;font-size:.72rem!important}.hero-product-row{grid-template-columns:minmax(0,1fr) auto;border-color:#252d42}.hero-product-row b{color:#00c7b2;font-size:.84rem}.hero-product-foot{border-color:#252d42;background:#101526}.trust-band,.section,.section-soft,.download-section,.faq-section,.guide-main,.guide-hero,.related-guides{border-color:var(--line);background:#090d15}.section-soft,.guide-entry-section,.related-guides,.guide-hero-security{background:#0d111a}.trust-grid>div+div,.trust-grid>div:nth-child(2n),.trust-grid>div:nth-child(n+3){border-color:var(--line)}.trust-grid strong,.section-heading h2,.download-row h3,.feature-card h3,.step-card h3,.faq-list summary,.related-link strong,.guide-article h2,.guide-article h3{color:#f4f7fb}.trust-grid span,.section-heading p,.download-row p,.feature-card p,.step-card p,.faq-list p,.related-link p,.guide-article p,.check-list,.number-list,.warning-list{color:#929bad}.step-card,.feature-card,.related-link,.guide-article>section,.plain-grid>div,.guide-toc,.official-reference,.guide-callout,.identity-table,.faq-list details{border-color:#222a3b;background:#111621}.download-row{border-color:#222a3b}.device-icon{color:#c8d0dc;background:#1a2130}.device-icon-green{color:#00bda8;background:#0b2828}.device-icon-blue{color:#4a82ff;background:#111d37}.official-reference,.guide-callout{color:#cbd3df}.official-reference span,.action-note,.guide-toc a,.breadcrumb,.footer-copy p{color:#8f99ad}.final-cta{background:#0f5cff}.site-footer{border-color:#1b2230;background:#070a0f}.mobile-cta{border-color:#252d3a;background:#070a0ff5}@media(max-width:900px){.hero-content{grid-template-columns:minmax(0,1fr) 350px;gap:36px}.header-actions .button-accent{display:none}}@media(max-width:720px){.header-actions{display:none}.hero-section{padding:48px 0 42px}.hero-copy-column{text-align:center}.hero-content h1{max-width:340px;margin-inline:auto;font-size:2.08rem;line-height:1.08}.hero-copy{max-width:350px;margin-inline:auto;font-size:.92rem;line-height:1.75}.hero-actions{grid-template-columns:1fr;gap:12px;margin-top:28px}.hero-actions .button{min-height:48px}.hero-metrics{gap:10px;margin-top:34px;padding-top:25px;text-align:center}.hero-metrics strong{font-size:1.1rem}.hero-note{margin-top:20px;text-align:left}.hero-product{display:block;margin-top:34px;text-align:left}.hero-product-head,.hero-product-row,.hero-product-foot{padding-inline:18px}.guide-article>section{background:#111621;-webkit-backdrop-filter:none;backdrop-filter:none}}@media(max-width:390px){.hero-content h1{font-size:1.92rem}}