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menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.contact-card{display:flex;gap:18px;align-items:flex-start;margin:32px 0 8px;padding:24px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg)}.contact-card .feature-icon{margin:0;flex:none}.contact-card h2{font-size:1.2rem;margin-bottom:12px}.contact-body{min-width:0;flex:1}.reviews-note{text-align:center;color:var(--muted);font-size:.85rem;margin:20px 0 0}.notfound-links{margin-top:28px}.notfound-langs{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.9rem}.notfound-langs a{color:var(--muted)}[dir=rtl] .flip-rtl{transform:scaleX(-1)}[dir=rtl] .btn-link:hover .icon.flip-rtl,[dir=rtl] .guide-card:hover .read .icon.flip-rtl{transform:scaleX(-1) translate(3px)}[dir=rtl] .device--left{transform:rotate(10deg) translate(6%)}[dir=rtl] .device--right{transform:rotate(-10deg) translate(-6%)}[dir=rtl] .hero:before{transform:scaleX(-1)}:lang(ja){--font: "Inter Variable", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif}:lang(ko){--font: "Inter Variable", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif}:lang(zh-Hans){--font: "Inter Variable", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif}:lang(zh-Hant){--font: "Inter Variable", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif}:lang(ar){--font: "Inter Variable", "SF Arabic", "Geeza Pro", "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif}:is(:lang(ja),:lang(ko),:lang(zh-Hans),:lang(zh-Hant),:lang(ar)) body{line-height:1.75}:is(:lang(ja),:lang(ko),:lang(zh-Hans),:lang(zh-Hant),:lang(ar)) :is(h1,h2,h3,.hero h1,.cta-block h2,.article-header h1,.brand){letter-spacing:0;line-height:1.3}:is(:lang(ja),:lang(zh-Hans),:lang(zh-Hant)) :is(h1,h2){word-break:auto-phrase}:lang(ar) :is(.eyebrow,.site-footer h4,.chip){letter-spacing:0}@media(max-width:640px){.lang-current,.lang-chevron{display:none}.lang-menu summary{padding:0 10px;min-width:40px;justify-content:center}.contact-card{flex-direction:column}}