:root{--bg:#fff;--surface:#f5f5f7;--strong:#e8e8ed;--text:#1d1d1f;--muted:#6e6e73;--blue:#0071e3;--green:#248a3d;--line:rgba(0,0,0,.1);--shadow:0 24px 70px rgba(0,0,0,.1);--radius:30px;--content:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.external-link{font-weight:550}.external-link:after{content:" ↗";font-size:.78em;white-space:nowrap}img{max-width:100%}button,input,select,textarea{font:inherit}.container{width:min(var(--content),calc(100% - 40px));margin-inline:auto}.narrow{width:min(820px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(0,0,0,.07);background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px)}.nav{min-height:52px;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:9px;color:var(--text);font-size:15px;font-weight:650;white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{display:grid;width:28px;height:28px;place-items:center;border-radius:9px;background:var(--text);color:#fff;font-size:13px;font-weight:750}.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}.nav-links a{color:#424245;font-size:13px}.nav-links a[aria-current=page]{color:var(--text);font-weight:650}.nav-cta{margin-left:2px}.menu-button{display:none;width:40px;height:40px;margin-left:auto;place-items:center;border:0;border-radius:50%;background:transparent;color:var(--text);cursor:pointer}.menu-button:hover{background:var(--surface)}
.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:10px 21px;background:var(--blue);color:#fff;cursor:pointer;font-size:14px;font-weight:600;transition:.18s}.button:hover{background:#0077ed;text-decoration:none;transform:translateY(-1px)}.button.secondary{background:var(--strong);color:var(--text)}.button.secondary:hover{background:#d2d2d7}.button.disabled,.button:disabled{cursor:not-allowed;opacity:.52;transform:none}.text-link{font-size:16px;font-weight:550}
.hero{padding:94px 0 72px;text-align:center;overflow:hidden}.eyebrow{margin:0 0 14px;color:var(--blue);font-size:17px;font-weight:650}.hero h1,.page-hero h1{max-width:900px;margin:0 auto;font-size:clamp(44px,7vw,76px);line-height:1.05;letter-spacing:-.045em}.hero .lead,.page-hero .lead{max-width:760px;margin:25px auto 0;color:var(--muted);font-size:clamp(19px,2.4vw,25px);line-height:1.45}.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}.version-line{margin-top:15px;color:#86868b;font-size:13px}
.product-stage{position:relative;width:min(1120px,calc(100% - 40px));margin:45px auto 0;padding:24px;border-radius:34px;background:linear-gradient(145deg,#eaf2ff,#f5f5f7 55%,#edf8f1);box-shadow:var(--shadow)}.product-shot{display:block;width:100%;height:auto;border:1px solid rgba(0,0,0,.1);border-radius:20px;background:#fff;box-shadow:0 18px 45px rgba(0,0,0,.12)}
.section{padding:110px 0}.section.soft{background:var(--surface)}.section-head{max-width:760px;margin:0 auto 45px;text-align:center}.section-head h2{margin:0;font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-.04em}.section-head p{margin:18px 0 0;color:var(--muted);font-size:19px;line-height:1.6}.grid-2,.grid-3,.grid-4{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{padding:34px;border-radius:var(--radius);background:var(--surface)}.soft .card{background:#fff}.card h3{margin:14px 0 8px;font-size:23px;letter-spacing:-.02em}.card p{margin:0;color:var(--muted);line-height:1.68}.card-icon{display:grid;width:46px;height:46px;place-items:center;border-radius:14px;background:#e9f2ff;color:var(--blue)}.card-icon.green{background:#eaf7ed;color:var(--green)}.card-icon.dark{background:var(--text);color:white}.card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.card-top+h3{margin-top:0}
.lucide{display:block;width:22px;height:22px;stroke-width:1.8}.card-icon .lucide{width:25px;height:25px}.menu-button .lucide{width:22px;height:22px}.prompt-action .lucide{width:19px;height:19px}.prompt-send .lucide{width:18px;height:18px}
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:68px}.split h2{margin:0;font-size:clamp(36px,5vw,58px);line-height:1.08;letter-spacing:-.04em}.split p{color:var(--muted);font-size:18px;line-height:1.65}.placeholder{display:grid;min-height:360px;place-items:center;padding:30px;border:1px dashed #b8b8bd;border-radius:var(--radius);background:linear-gradient(135deg,#fbfbfd,#f0f0f2);color:#86868b;text-align:center}.placeholder strong{display:block;margin-bottom:8px;color:#515154}.media-frame{margin:28px 0;overflow:hidden;border:1px solid rgba(0,0,0,.09);border-radius:24px;background:#fff;box-shadow:0 18px 50px rgba(0,0,0,.08)}.media-frame img{display:block;width:100%;height:auto;background:#f5f5f7}.media-frame figcaption{padding:14px 18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;line-height:1.6}.media-compact{max-width:620px;margin-inline:auto}.media-menu{max-width:430px}.media-menu img{width:auto;max-width:100%;margin:24px auto;background:#fff}.split .media-frame{margin:0}
.page-hero{padding:82px 0 62px;text-align:center;background:linear-gradient(#fff,#f8f8fa)}.page-hero h1{font-size:clamp(40px,6vw,64px)}.breadcrumbs{margin-bottom:26px;color:#86868b;font-size:13px}.breadcrumbs a{color:#515154}.article{padding:72px 0 110px}.article h2{margin:56px 0 18px;font-size:32px;letter-spacing:-.025em}.article h3{margin:32px 0 12px;font-size:22px}.article p,.article li{color:#424245;font-size:17px;line-height:1.8}.article ul,.article ol{padding-left:25px}.article .placeholder{min-height:300px;margin:26px 0}.note{margin:26px 0;padding:22px 24px;border-radius:18px;background:var(--surface);color:#424245;line-height:1.7}.note.blue{background:#eef6ff}.note.green{background:#eef9f0}.note.warning{background:#fff8e8}.steps{counter-reset:guide-step;display:grid;gap:22px;margin:32px 0}.step{position:relative;padding:27px 28px 27px 80px;border-radius:24px;background:var(--surface)}.step:before{counter-increment:guide-step;content:counter(guide-step);position:absolute;left:25px;top:25px;display:grid;width:36px;height:36px;place-items:center;border-radius:50%;background:var(--blue);color:#fff;font-weight:700}.step h3{margin:0 0 7px}.step p{margin:0}.step.has-media{padding-bottom:28px}.step .media-frame{margin:22px 0 0}.step .media-frame figcaption{background:#fff}.step .media-compact{margin-left:0}.step .media-menu{margin-left:0}
.toc{padding:24px 28px;border-radius:22px;background:var(--surface)}.toc strong{display:block;margin-bottom:10px}.toc a{display:block;padding:6px 0}.comparison-table{margin:28px 0;overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 14px 40px rgba(0,0,0,.055);-webkit-overflow-scrolling:touch}.comparison-table:focus{outline:3px solid rgba(0,113,227,.22);outline-offset:3px}.comparison-table table{width:100%;min-width:720px;border-collapse:collapse}.comparison-table th,.comparison-table td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;color:#424245;font-size:15px;line-height:1.7}.comparison-table thead th{background:var(--surface);color:var(--text);font-size:14px;font-weight:700}.comparison-table tbody th{width:16%;background:#fbfbfd;color:var(--text);font-weight:650}.comparison-table tbody tr:last-child th,.comparison-table tbody tr:last-child td{border-bottom:0}.comparison-table td:nth-child(2){background:rgba(36,138,61,.035)}.faq-list{display:grid;gap:12px}details{border-radius:18px;background:var(--surface)}summary{padding:21px 24px;cursor:pointer;font-size:17px;font-weight:650}details p{margin:0;padding:0 24px 22px;color:var(--muted);line-height:1.7}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#eaf3ff;color:var(--blue);font-size:12px;font-weight:650}
.download-panel{display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;padding:34px;border-radius:var(--radius);background:var(--text);color:#fff}.download-panel h2{margin:0 0 8px;font-size:30px}.download-panel p{margin:0;color:#bcbcc1;line-height:1.55}.download-panel .button.secondary{background:#fff;color:var(--text)}
.related-product{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:26px;padding:32px 34px;border:1px solid rgba(0,113,227,.12);border-radius:28px;background:linear-gradient(135deg,#f7faff,#fff 58%,#f6f3ff);box-shadow:0 18px 45px rgba(0,0,0,.055)}.grid-3+.related-product{margin-top:32px}.related-product .card-icon{width:54px;height:54px;border-radius:17px}.related-product .card-icon .lucide{width:28px;height:28px}.related-logo{display:block;width:64px;height:64px;object-fit:contain}.related-copy h2,.related-copy h3{margin:7px 0 8px;font-size:clamp(24px,3vw,34px);letter-spacing:-.025em}.related-copy p{max-width:760px;margin:0;color:var(--muted);font-size:16px;line-height:1.7}.related-actions{display:flex;flex-wrap:wrap;gap:10px}.article .related-product{margin:42px 0}.article .related-copy p{font-size:16px}.article .related-copy h2,.article .related-copy h3{margin-top:7px}
.form-card{padding:36px;border-radius:var(--radius);background:var(--surface)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:grid;gap:8px}.field.full{grid-column:1/-1}.field label{font-size:14px;font-weight:650}.field input,.field select,.field textarea{width:100%;border:1px solid #d2d2d7;border-radius:14px;padding:13px 14px;background:#fff;color:var(--text);outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,113,227,.12)}.field textarea{min-height:170px;resize:vertical}.form-status{min-height:22px;margin-top:14px;color:var(--muted);font-size:14px}
.timeline{position:relative;margin:35px 0;padding-left:34px}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:#d2d2d7}.release{position:relative;margin-bottom:40px}.release:before{content:"";position:absolute;left:-32px;top:8px;width:14px;height:14px;border:3px solid #fff;border-radius:50%;background:var(--blue);box-shadow:0 0 0 1px #b8b8bd}.release h2{margin:0 0 8px}.release time{color:#86868b;font-size:14px}
.blog-hero{padding:88px 0 68px;background:radial-gradient(circle at 20% 0,#e9f3ff 0,transparent 36%),linear-gradient(180deg,#fff,#f5f5f7);text-align:center}.blog-hero h1{max-width:880px;margin:0 auto;font-size:clamp(42px,6vw,68px);line-height:1.06;letter-spacing:-.045em}.blog-hero .lead{max-width:720px;margin:22px auto 0;color:var(--muted);font-size:20px;line-height:1.6}.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.article-card{display:flex;min-height:290px;flex-direction:column;padding:34px;border:1px solid rgba(0,0,0,.06);border-radius:28px;background:#fff;box-shadow:0 14px 42px rgba(0,0,0,.055);color:var(--text);transition:.2s}.article-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 20px 52px rgba(0,0,0,.09)}.article-card .article-number{color:var(--blue);font-size:13px;font-weight:700}.article-card h2{margin:22px 0 12px;font-size:28px;line-height:1.22;letter-spacing:-.025em}.article-card p{margin:0;color:var(--muted);font-size:16px;line-height:1.72}.article-card .read-more{margin-top:auto;padding-top:24px;color:var(--blue);font-weight:650}.article-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px;margin-top:18px;color:#86868b;font-size:13px}.prose-hero{padding:76px 0 58px;background:linear-gradient(180deg,#fff,#f8f8fa);text-align:center}.prose-hero h1{max-width:900px;margin:0 auto;font-size:clamp(38px,5.5vw,62px);line-height:1.1;letter-spacing:-.04em}.prose-hero .lead{max-width:760px;margin:22px auto 0;color:var(--muted);font-size:20px;line-height:1.6}.article-intro{color:#515154;font-size:20px!important;line-height:1.75!important}.key-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0}.key-point{padding:22px;border-radius:20px;background:var(--surface)}.key-point strong{display:block;margin-bottom:7px;font-size:16px}.key-point span{color:var(--muted);font-size:14px;line-height:1.65}.article-cta{margin:56px 0 0;padding:34px;border-radius:28px;background:linear-gradient(135deg,#0b63ce,#0071e3 55%,#39a3ff);color:#fff}.article-cta h2{margin:0 0 10px;color:#fff}.article-cta p{margin:0 0 22px;color:rgba(255,255,255,.82)}.article-cta .button{background:#fff;color:#0066cc}.article-cta .button:hover{background:#f5f5f7}.code-message{margin:24px 0;padding:18px 20px;overflow-wrap:anywhere;border:1px solid #d2d2d7;border-radius:16px;background:#111827;color:#f9fafb;font-family:Consolas,"SFMono-Regular",monospace;font-size:14px;line-height:1.65}.check-list{padding:0!important;list-style:none}.check-list li{position:relative;padding-left:30px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:42px}.article-nav a{padding:20px;border-radius:18px;background:var(--surface);color:var(--text);font-weight:600}.article-nav a:last-child{text-align:right}.article-nav a:hover{text-decoration:none;background:var(--strong)}
.site-footer{padding:55px 0 30px;background:var(--surface)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}.footer-grid h3,.footer-grid h4{margin:0 0 14px}.footer-grid p{max-width:330px;color:var(--muted);font-size:14px;line-height:1.7}.footer-grid a{display:block;margin:9px 0;color:#515154;font-size:14px}.footer-qr{display:flex;align-items:center;gap:14px;margin-top:18px}.footer-qr img{display:block;width:128px;height:128px;flex:0 0 auto;padding:6px;border:1px solid rgba(0,0,0,.08);border-radius:16px;background:#fff;object-fit:contain;box-shadow:0 8px 24px rgba(0,0,0,.06)}.footer-qr strong{display:block;margin-bottom:5px;color:var(--text);font-size:14px}.footer-qr span{display:block;max-width:135px;color:var(--muted);font-size:12px;line-height:1.55}.copyright{margin-top:42px;padding-top:22px;border-top:1px solid var(--line);color:#86868b;font-size:12px}
@media(max-width:900px){.nav-links{display:none;position:absolute;left:0;right:0;top:52px;padding:18px 20px 24px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}.nav-links.open{display:grid;gap:17px}.nav-cta{display:none}.menu-button{display:grid}.grid-3,.grid-4,.key-points{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr;gap:36px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.hero{padding-top:66px}.hero h1{font-size:44px}.product-stage{padding:10px;border-radius:22px}.product-shot{border-radius:14px}.section{padding:78px 0}.grid-2,.grid-3,.grid-4,.form-grid,.article-grid,.key-points,.article-nav{grid-template-columns:1fr}.field.full{grid-column:auto}.card{padding:27px;border-radius:24px}.article-card{min-height:0;padding:27px}.article-card .read-more{padding-top:20px}.download-panel,.related-product{grid-template-columns:1fr}.related-product{padding:27px}.related-actions{margin-top:4px}.footer-grid{grid-template-columns:1fr}.media-frame{border-radius:18px}.article-nav a:last-child{text-align:left}}
.brand-logo{display:block;width:36px;height:32px;object-fit:contain}.hero-logo{display:block;width:96px;height:96px;margin:0 auto 16px;object-fit:contain}
@media(max-width:620px){.brand-logo{width:32px;height:29px}.hero-logo{width:88px;height:88px;margin-bottom:14px}}
.download-hero{padding:88px 0 58px;text-align:center;background:radial-gradient(circle at 50% 0,#e9f3ff 0,transparent 42%),linear-gradient(180deg,#fff,#f5f5f7)}.download-hero .hero-logo{width:112px;height:112px;margin-bottom:22px}.download-hero h1{max-width:900px;margin:0 auto;font-size:clamp(44px,7vw,76px);line-height:1.05;letter-spacing:-.045em}.download-hero .lead{max-width:730px;margin:24px auto 0;color:var(--muted);font-size:clamp(19px,2.4vw,24px);line-height:1.55}.download-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 22px;margin-top:22px;color:#86868b;font-size:14px}.download-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.download-option{display:flex;min-height:390px;flex-direction:column;padding:38px;border:1px solid rgba(0,0,0,.07);border-radius:32px;background:#fff;box-shadow:0 20px 55px rgba(0,0,0,.07)}.download-option.featured{color:#fff;background:linear-gradient(145deg,#161617,#252529)}.download-option-icon{display:grid;width:58px;height:58px;place-items:center;border-radius:18px;background:#eaf3ff;color:var(--blue)}.download-option.featured .download-option-icon{background:rgba(255,255,255,.12);color:#fff}.download-option-icon .lucide{width:29px;height:29px}.download-option .tag{align-self:flex-start}.download-option h2{margin:24px 0 10px;font-size:32px;letter-spacing:-.03em}.download-option p{margin:0;color:var(--muted);font-size:16px;line-height:1.7}.download-option.featured p{color:#bcbcc1}.download-option-details{display:grid;gap:9px;margin:24px 0;padding:0;list-style:none}.download-option-details li{display:flex;align-items:center;gap:9px;color:#515154;font-size:14px}.download-option.featured .download-option-details li{color:#e8e8ed}.download-option-details .lucide{width:17px;height:17px;color:var(--green)}.download-option-actions{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:24px}.download-option.featured .button{background:#fff;color:#1d1d1f}.download-option.featured .button:hover{background:#f5f5f7}.store-button-disabled{display:inline-flex;min-height:44px;align-items:center;justify-content:center;border-radius:999px;padding:10px 21px;background:var(--strong);color:#86868b;font-size:14px;font-weight:650;cursor:not-allowed}.security-line{display:flex;align-items:flex-start;gap:12px;margin-top:24px;padding:20px 22px;border-radius:18px;background:#eef9f0;color:#355c3c;font-size:14px;line-height:1.65}.security-line .lucide{width:21px;height:21px;flex:0 0 auto;margin-top:1px}.install-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:install}.install-flow article{position:relative;padding:28px;border-radius:24px;background:var(--surface)}.install-flow article:before{counter-increment:install;content:counter(install);display:grid;width:34px;height:34px;place-items:center;margin-bottom:18px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700}.install-flow h3{margin:0 0 8px;font-size:21px}.install-flow p{margin:0;color:var(--muted);line-height:1.68}
@media(max-width:900px){.download-options,.install-flow{grid-template-columns:1fr}.download-option{min-height:350px}}
@media(max-width:620px){.download-hero{padding-top:66px}.download-hero .hero-logo{width:92px;height:92px}.download-option{min-height:0;padding:28px;border-radius:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}