:root{--ink:#182433;--muted:#586779;--blue:#1677d2;--sky:#dff3ff;--orange:#ff8a1f;--yellow:#ffd85a;--green:#61bb45;--paper:#fff;--soft:#f4f8fb;--line:#dce7ee;--shadow:0 28px 70px #22527529}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif;font-size:16px;line-height:1.75}a{color:inherit}img{max-width:100%;height:auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffdb;border-bottom:1px solid #dce7eed9;position:sticky;top:0}.nav-wrap{justify-content:space-between;align-items:center;max-width:1180px;min-height:72px;margin:auto;padding:0 28px;display:flex}.brand{align-items:center;gap:12px;font-weight:800;text-decoration:none;display:flex}.brand img{border-radius:11px;box-shadow:0 5px 14px #1c74ae33}nav{gap:28px;display:flex}nav a{color:#3d4e5e;font-size:.92rem;font-weight:650;text-decoration:none}nav 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span{color:#718190;font-size:.8rem}.pricing-disclaimer{color:#718190;margin:18px 0 0;font-size:.82rem}footer{border-top:1px solid var(--line);background:#f4f8fa;padding:48px 28px 22px}.footer-inner{justify-content:space-between;gap:30px;max-width:1080px;margin:auto;display:flex}.footer-inner p{color:var(--muted);margin:7px 0;font-size:.9rem}.footer-links{gap:22px;font-size:.9rem;display:flex}.copyright{color:#82909a;max-width:1080px;margin:40px auto 0;font-size:.75rem}.legal-page,.support-page{max-width:860px;margin:auto;padding:90px 28px 120px}.legal-page h1,.support-intro h1{margin:0 0 12px;font-size:clamp(2.4rem,6vw,4rem);line-height:1.2}.legal-page h2{margin-top:50px;font-size:1.4rem}.legal-page p,.legal-page li{color:#425668}.updated{font-size:.88rem;color:#7b8b98!important}.support-intro{border-bottom:1px solid var(--line);padding-bottom:45px}.support-intro>p:last-child{color:var(--muted)}.quick-guide,.faq-section{padding:55px 0}.quick-guide h2,.faq-section 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