:root{--bg:#f8faf6;--surface:#fff;--surface-soft:#eef4e8;--ink:#142018;--muted:#59645d;--line:#dce5d8;--green:#a9e861;--green-deep:#3f711f;--green-soft:#e8f5d9;--danger:#a52a2a;--radius:24px;--shadow:0 22px 70px rgba(25,45,30,.08);--max:1180px;--legal:760px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Noto Sans TC,PingFang TC,sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}img,svg{display:block;max-width:100%}button,a{touch-action:manipulation}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:12px;z-index:1000;padding:10px 14px;background:var(--ink);color:#fff;border-radius:10px;transform:translateY(-150%)}.skip-link:focus{transform:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--green-deep);outline-offset:3px}.eyebrow{font-size:.76rem;font-weight:750;letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep)}h1,h2,h3{line-height:1.08;letter-spacing:-.035em;margin:0}h1{font-size:clamp(3rem,7vw,6.8rem)}h2{font-size:clamp(2rem,4.2vw,4.1rem)}h3{font-size:1.25rem}.lead{font-size:clamp(1.08rem,2vw,1.35rem);color:var(--muted);max-width:650px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;font-weight:700;text-decoration:none;border:1px solid transparent}.button-primary{background:var(--ink);color:#fff}.button-secondary{border-color:var(--line);background:var(--surface)}.button-disabled{background:#e5e9e3;color:#667068;cursor:not-allowed}.button:hover:not(.button-disabled){transform:translateY(-1px)}.section{padding:clamp(72px,10vw,140px) 0}.section-heading{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:end;margin-bottom:48px}.section-heading p{margin:0;color:var(--muted);max-width:620px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.card svg{width:28px;height:28px;color:var(--green-deep);margin-bottom:40px}.card p{color:var(--muted);margin-bottom:0}.site-header{position:sticky;top:0;z-index:50;background:#f8faf6eb;backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,229,216,.8)}.nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.05em;text-decoration:none}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--green);font-size:1.2rem}.desktop-nav{display:flex;align-items:center;gap:28px}.desktop-nav a{text-decoration:none;color:var(--muted);font-size:.94rem}.desktop-nav a:hover{color:var(--ink)}.language-switcher{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px}.language-switcher a{min-width:44px;padding:5px 9px;text-align:center;border-radius:999px;text-decoration:none;font-size:.78rem}.language-switcher a[aria-current=true]{background:var(--ink);color:#fff}.mobile-menu{display:none}.hero{min-height:calc(100dvh - 76px);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:64px;padding-block:70px}.hero h1 em{color:var(--green-deep);font-style:normal}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.release-note{margin-top:18px;color:var(--muted);font-size:.9rem}.network-visual{aspect-ratio:1/1;display:grid;place-items:center}.network-visual svg{width:100%;height:100%;overflow:visible}.device{position:relative;z-index:2;width:min(78%,350px);aspect-ratio:.57;background:var(--ink);border-radius:54px;padding:12px;box-shadow:var(--shadow)}.device-screen{height:100%;border-radius:43px;background:#fbfcf8;padding:42px 28px 24px;display:flex;flex-direction:column}.device-brand{display:flex;align-items:center;gap:9px;font-size:.8rem;letter-spacing:.14em}.device-copy{margin-top:62px}.device-copy small{color:var(--muted)}.device-copy h3{font-size:1.75rem;margin-top:8px}.status{display:flex;align-items:center;gap:8px;color:var(--green-deep);margin-top:12px}.status-dot{width:9px;height:9px;border-radius:50%;background:#7cbb43}.connect-ring{width:168px;height:168px;border-radius:50%;border:1px solid #bcd6aa;display:grid;place-items:center;margin:46px auto 34px}.connect-core{width:132px;height:132px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center;text-align:center;color:var(--green-deep);font-weight:700}.profile-row{border-top:1px solid var(--line);padding-top:18px;display:flex;gap:13px;align-items:center;margin-top:auto}.profile-badge{width:46px;height:46px;border-radius:13px;background:var(--surface-soft);display:grid;place-items:center;font:700 .8rem ui-monospace,monospace}.trust-strip{padding:24px 0;border-block:1px solid var(--line);background:var(--surface)}.trust-list{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:.78rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.step{counter-increment:step;background:var(--surface);padding:30px}.step:before{content:"0" counter(step);display:block;color:var(--green-deep);font:700 .76rem ui-monospace,monospace;margin-bottom:50px}.privacy-summary{background:var(--ink);color:#fff}.privacy-summary .section-heading p,.privacy-summary .card p{color:#bdc8bf}.privacy-summary .card{background:#1d2a21;border-color:#334137}.privacy-summary .card svg{color:var(--green)}.faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-weight:700;list-style:none;padding-right:40px;position:relative}summary:after{content:"+";position:absolute;right:4px;font-size:1.4rem;font-weight:400}details[open] summary:after{content:"−"}details p{color:var(--muted);max-width:720px}.cta{padding:54px;border-radius:32px;background:var(--green);display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:clamp(2rem,4vw,3.6rem)}.site-footer{margin-top:100px;padding:60px 0 28px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:40px}.footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.footer-col b{margin-bottom:8px}.footer-col a,.footer-col span{color:var(--muted);font-size:.92rem}.footer-bottom{display:flex;justify-content:space-between;gap:24px;padding-top:38px;margin-top:40px;border-top:1px solid var(--line);font-size:.84rem;color:var(--muted)}.page-hero{padding:90px 0 60px}.page-hero h1{font-size:clamp(2.8rem,6vw,5.5rem);max-width:900px}.page-hero .lead{margin-top:20px}.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.support-card{text-decoration:none;transition:border-color .2s,transform .2s}.support-card:hover{border-color:#8fb875;transform:translateY(-2px)}.legal-shell{display:grid;grid-template-columns:220px minmax(0,var(--legal));gap:72px;align-items:start}.legal-toc{position:sticky;top:110px}.legal-toc b{display:block;margin-bottom:12px}.legal-toc a{display:block;color:var(--muted);font-size:.86rem;text-decoration:none;padding:5px 0}.legal-content{max-width:var(--legal)}.legal-content h1{font-size:clamp(2.6rem,6vw,4.8rem)}.legal-meta{color:var(--muted);margin:18px 0 48px}.legal-content h2{font-size:1.55rem;margin:56px 0 16px;scroll-margin-top:110px}.legal-content h2 a{text-decoration:none}.legal-content p,.legal-content li{color:#354239}.legal-content li+li{margin-top:10px}.legal-note{padding:20px;border-left:4px solid var(--green-deep);background:var(--green-soft);border-radius:0 14px 14px 0}.contact-details{padding:26px;border-radius:20px;background:var(--surface-soft);margin-top:28px}.contact-details dl{display:grid;grid-template-columns:150px 1fr;gap:10px;margin:0}.contact-details dt{color:var(--muted)}.contact-details dd{margin:0}.guide-steps{counter-reset:guide;max-width:760px}.guide-step{counter-increment:guide;position:relative;padding:0 0 40px 64px;border-left:1px solid var(--line);margin-left:20px}.guide-step:before{content:counter(guide);position:absolute;left:-21px;top:0;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--green);font-weight:800}.guide-step:last-child{border-left-color:transparent}.not-found{min-height:65vh;display:grid;place-items:center;text-align:center}.not-found .code{font-size:clamp(6rem,20vw,14rem);font-weight:900;color:var(--green);line-height:.8}.not-found h1{font-size:2.5rem;margin:30px 0 12px}@media(max-width:900px){.desktop-nav{display:none}.mobile-menu{display:block;position:relative}.mobile-menu summary{min-width:44px;min-height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;padding:0}.mobile-menu summary:after{display:none}.mobile-panel{position:absolute;right:0;top:54px;width:min(320px,calc(100vw - 40px));padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);display:flex;flex-direction:column}.mobile-panel a{padding:11px;text-decoration:none}.mobile-panel .language-switcher{margin-top:10px;flex-direction:row}.hero{grid-template-columns:1fr;padding-top:70px}.network-visual{max-width:520px;margin:auto;width:100%}.grid-4,.steps{grid-template-columns:repeat(2,1fr)}.section-heading{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.legal-shell{grid-template-columns:1fr}.legal-toc{position:static;border-bottom:1px solid var(--line);padding-bottom:26px}.support-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){body{font-size:16px}.container{width:min(100% - 28px,var(--max))}.hero{gap:30px;padding-block:52px}.network-visual{margin-top:10px}.device{border-radius:42px}.device-screen{border-radius:33px;padding:34px 23px 20px}.device-copy{margin-top:42px}.connect-ring{margin:34px auto 24px}.grid-4,.steps,.support-grid,.footer-grid{grid-template-columns:1fr}.section{padding:72px 0}.section-heading{margin-bottom:30px}.card svg{margin-bottom:26px}.cta{padding:34px 26px;align-items:flex-start;flex-direction:column}.footer-bottom{flex-direction:column}.contact-details dl{grid-template-columns:1fr;gap:2px}.contact-details dd{margin-bottom:12px}.legal-content h2{margin-top:42px}}.support-card h2,.support-grid .card h2{font-size:1.35rem;line-height:1.2}.related-links{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.brand-mark{width:38px;height:38px;display:block;border-radius:11px;object-fit:cover;background:transparent}