:root{--blue:#2980FE;--blue2:#1767D6;--pale:#EAF3FF;--mist:#F5F8FD;--gray:#F7F9FC;--white:#fff;--ink:#172033;--body:#465266;--muted:#718096;--line:#DCE6F2;--footer:#10233F;--shadow:0 18px 48px rgba(23,103,214,.10);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:#fff;line-height:1.72;overflow-x:hidden}body.menu-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:fixed;left:16px;top:-60px;background:#fff;padding:10px 16px;border-radius:10px;z-index:9999;box-shadow:var(--shadow)}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:1200;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,230,242,.8)}.nav-shell{height:76px;width:min(1240px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:28px}.brand{flex:0 0 auto;display:flex;align-items:center}.brand img{width:148px;max-height:46px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:5px;flex:1;min-width:0;white-space:nowrap}.desktop-nav>a,.nav-item>a{display:flex;align-items:center;min-height:44px;padding:10px 10px;border-radius:12px;font-size:14px;font-weight:650;color:#2f3d54}.desktop-nav>a:hover,.nav-item>a:hover,.desktop-nav>a:focus-visible,.nav-item>a:focus-visible{background:var(--mist);color:var(--blue2);outline:none}.nav-item{position:relative}.has-mega>a:after{content:"⌄";font-size:11px;margin-left:5px;color:var(--muted)}.mega-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(7px);width:590px;background:#fff;border:1px solid var(--line);box-shadow:0 24px 64px rgba(16,35,63,.14);border-radius:20px;padding:18px;display:grid;grid-template-columns:180px 1fr;gap:16px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.has-mega:hover .mega-menu,.has-mega:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.mega-intro{background:linear-gradient(145deg,var(--pale),#fff);border-radius:16px;padding:18px}.mega-intro strong{font-size:17px;display:block;margin-bottom:6px}.mega-intro span{font-size:13px;color:var(--body)}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px}.mega-links a{padding:10px;border-radius:12px}.mega-links a:hover,.mega-links a:focus-visible{background:var(--gray);outline:none}.mega-links b,.mega-links span{display:block}.mega-links b{font-size:14px}.mega-links span{font-size:12px;color:var(--muted);margin-top:2px}.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 20px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:750;box-shadow:0 9px 20px rgba(41,128,254,.22);transition:.2s ease;white-space:nowrap}.download-btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(41,128,254,.28)}.menu-toggle{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:13px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}.menu-toggle span{width:18px;height:2px;background:var(--ink);border-radius:9px}.mobile-panel,.menu-overlay{display:none}
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.section{padding:90px 0}.section.soft{background:var(--mist)}.section.blue-soft{background:linear-gradient(135deg,#eef6ff,#f9fbff)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.section-head>div{max-width:760px}.section-kicker{color:var(--blue2);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.03em;margin:7px 0 12px}.section-head p,.section-intro{color:var(--body);margin:0}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-flow:dense;gap:16px}.category{position:relative;min-height:220px;padding:26px;border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden}.category:before{content:"";position:absolute;width:120px;height:120px;border-radius:50%;background:var(--pale);right:-45px;top:-50px}.category.wide{grid-column:span 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p{margin:0;color:var(--body);font-size:14px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line)}.review p{margin:0;color:var(--body)}.review small{display:block;margin-top:16px;color:var(--muted)}.faq-list{display:grid;gap:10px;max-width:900px;margin:auto}.faq-item{border:1px solid var(--line);background:#fff;border-radius:16px;overflow:hidden}.faq-item button{width:100%;border:0;background:#fff;text-align:left;padding:18px 54px 18px 20px;font-weight:750;color:var(--ink);cursor:pointer;position:relative}.faq-item button:after{content:"+";position:absolute;right:18px;font-size:24px;top:10px;color:var(--blue)}.faq-item.open button:after{content:"−"}.faq-answer{display:none;padding:0 20px 20px;color:var(--body)}.faq-item.open .faq-answer{display:block}.download-cta{padding:80px 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.inner-hero{padding:74px 0 58px;background:linear-gradient(180deg,#f9fcff,#fff)}.inner-hero h1{font-size:clamp(38px,5vw,60px);max-width:880px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px}.breadcrumbs a{color:var(--blue2)}.inner-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.info-card{padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff}.info-card h2,.info-card h3{margin-top:0}.info-card p{color:var(--body)}.content-prose{max-width:860px}.content-prose p,.content-prose li{color:var(--body)}.content-prose h2{font-size:30px;margin:42px 0 12px}.content-prose h3{font-size:21px;margin:28px 0 8px}.note-box{border-left:4px solid var(--blue);background:var(--pale);padding:20px 22px;border-radius:0 16px 16px 0;margin:24px 0}.warning-box{border:1px solid #d7e8ff;background:#f5f9ff;border-radius:18px;padding:22px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}.compare-table{width:100%;border-collapse:collapse;min-width:680px}.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.compare-table th{background:var(--mist)}.compare-table td{color:var(--body)}.article-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}.content-aside{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:start}.side-index{position:sticky;top:102px;border:1px solid var(--line);background:#fff;border-radius:18px;padding:20px}.side-index strong{display:block;margin-bottom:10px}.side-index a{display:block;padding:8px 0;border-bottom:1px solid var(--line);color:var(--body)}.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.support-card{padding:25px;border:1px solid var(--line);border-radius:20px;background:#fff}.support-card h3{margin:0 0 8px}.support-card p{color:var(--body)}
.site-footer{background:var(--footer);color:#fff;padding:64px 0 22px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:42px}.footer-brand img{width:150px;filter:brightness(0) invert(1);margin-bottom:16px}.footer-brand p{color:#c8d8ec;max-width:410px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:8px}.footer-grid strong{margin-bottom:8px}.footer-grid a{color:#c8d8ec;font-size:14px}.footer-grid a:hover{color:#fff}.footer-brand .download-btn{color:#fff;margin-top:10px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:20px;color:#9fb4cc;font-size:13px}.footer-bottom span:last-child{display:flex;gap:16px}
@media(max-width:1100px){.desktop-nav{display:none}.menu-toggle{display:flex}.nav-shell{justify-content:space-between}.mobile-panel{display:block;position:fixed;right:0;top:0;bottom:0;width:min(420px,92vw);background:#fff;z-index:1500;transform:translateX(105%);transition:.25s ease;padding:18px 20px 28px;overflow-y:auto;box-shadow:-24px 0 60px rgba(16,35,63,.18)}.mobile-panel.is-open{transform:none}.menu-overlay{display:block;position:fixed;inset:0;background:rgba(16,35,63,.38);z-index:1400}.menu-overlay[hidden]{display:none}.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.menu-close{width:44px;height:44px;border:1px solid var(--line);border-radius:13px;background:#fff;font-size:28px;line-height:1;cursor:pointer}.mobile-nav{display:grid;gap:6px}.mobile-nav>a,.mobile-nav summary{min-height:48px;display:flex;align-items:center;padding:10px 12px;border-radius:12px;font-weight:730;cursor:pointer}.mobile-nav details{border-bottom:1px solid var(--line)}.mobile-nav details div{padding:0 0 10px 16px;display:grid}.mobile-nav details a{min-height:44px;display:flex;align-items:center;color:var(--body)}.mobile-download{width:100%;margin-top:22px}.steps{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.category.wide{grid-column:span 1}.reviews{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.hero-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:760px){.container{width:min(100% - 28px,1180px)}.nav-shell{height:68px;width:calc(100% - 24px);gap:10px}.brand img{width:120px}.nav-actions{gap:8px}.nav-actions .download-btn{padding:10px 14px;font-size:14px}.hero{padding:52px 0 42px}.hero-grid,.feature-split,.duo,.media-card,.media-card.reverse,.dark-feature,.swap-layout,.inner-grid,.content-aside{grid-template-columns:1fr}.hero h1,.inner-hero h1{font-size:40px}.hero .lead,.inner-hero .lead{font-size:17px}.hero-visual{min-height:420px;margin-top:8px}.float-note{font-size:12px}.float-note.n1{left:0;top:8%}.float-note.n2{right:0}.float-note.n3{left:2%;bottom:7%}.ability-strip{margin-top:0}.ability-grid{grid-template-columns:1fr 1fr}.ability-item+ .ability-item{border-left:0}.ability-item:nth-child(even){border-left:1px solid var(--line)}.ability-item:nth-child(n+3){border-top:1px solid var(--line)}.section{padding:64px 0}.section-head{align-items:start;flex-direction:column}.category-grid{grid-template-columns:1fr}.category{min-height:0}.visual-panel{min-height:380px}.content-panel,.topic-panel,.dark-feature{padding:26px}.topic-panel.offset{margin-top:0}.preflight-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step{min-height:0;position:relative;padding-left:74px}.step-num{position:absolute;left:18px;top:20px}.timeline article{grid-template-columns:1fr;gap:5px}.reviews,.support-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.side-index{position:static}.section h2{font-size:34px}}
@media(max-width:420px){.brand img{width:104px}.nav-actions .download-btn{padding:9px 12px}.ability-grid{grid-template-columns:1fr}.ability-item:nth-child(even){border-left:0}.ability-item+ .ability-item{border-top:1px solid var(--line)}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-grid>div:last-child{grid-column:auto}.hero h1,.inner-hero h1{font-size:36px}.hero-visual{min-height:360px}}