:root{--blue:#2980FE;--blue-dark:#1767D6;--blue-soft:#EAF3FF;--ink:#172033;--text:#465266;--muted:#718096;--line:#DCE6F2;--pale:#F5F8FD;--light:#F7F9FC;--footer:#10233F;--white:#fff;--shadow:0 18px 48px rgba(23,103,214,.10);--radius:24px;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;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{font:inherit}.skip-link{position:fixed;left:16px;top:-70px;z-index:3000;background:#fff;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow)}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:1200;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,230,242,.85)}.nav-shell{max-width:1400px;margin:auto;min-height:78px;padding:0 24px;display:flex;align-items:center;gap:22px}.brand{flex:0 0 auto}.brand img{width:184px;height:45px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:3px;flex:1;min-width:0}.nav-link,.nav-trigger{height:44px;padding:0 13px;border:0;background:transparent;border-radius:12px;color:#39465a;font-weight:700;white-space:nowrap;display:flex;align-items:center;gap:6px;cursor:pointer}.nav-link:hover,.nav-trigger:hover,.nav-link.is-active,.nav-group.is-active>.nav-trigger,.nav-link:focus-visible,.nav-trigger:focus-visible{color:var(--blue-dark);background:var(--blue-soft);outline:none}.nav-group{position:relative}.mega-menu{position:absolute;top:calc(100% + 10px);left:50%;width:690px;transform:translate(-50%,12px);display:grid;grid-template-columns:220px 1fr;gap:22px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 26px 70px rgba(16,35,63,.16);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.nav-group:hover .mega-menu,.nav-group:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.nav-group:nth-last-of-type(-n+2) .mega-menu{left:auto;right:0;transform:translate(0,12px)}.nav-group:nth-last-of-type(-n+2):hover .mega-menu,.nav-group:nth-last-of-type(-n+2):focus-within .mega-menu{transform:translate(0,0)}.mega-intro{padding:18px;background:linear-gradient(145deg,#eaf3ff,#f7f9fc);border-radius:18px}.mega-intro strong{font-size:19px}.mega-intro p{margin:7px 0 0;color:var(--text);font-size:14px;line-height:1.65}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mega-links a{padding:12px 13px;border-radius:14px}.mega-links a:hover,.mega-links a:focus-visible{background:var(--pale);outline:none}.mega-links b,.mega-links span{display:block}.mega-links b{font-size:15px}.mega-links span{font-size:12px;color:var(--muted)}.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:50px;padding:0 24px;border-radius:15px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;font-weight:800;box-shadow:0 12px 28px rgba(41,128,254,.24);transition:transform .2s,box-shadow .2s}.download-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(41,128,254,.32)}.download-btn.compact{min-height:44px;padding:0 18px}.menu-button{min-width:48px;height:46px;border:1px solid var(--line);background:#fff;border-radius:14px;display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}.menu-button span{width:20px;height:2px;background:var(--ink);border-radius:2px}.menu-button b{display:none}.menu-overlay{position:fixed;inset:0;background:rgba(16,35,63,.44);z-index:1290;opacity:0;transition:.2s}.menu-overlay.is-visible{opacity:1}.mobile-menu{position:fixed;top:0;right:0;width:min(92vw,430px);height:100dvh;z-index:1300;background:#fff;transform:translateX(105%);transition:transform .26s ease;box-shadow:-24px 0 70px rgba(16,35,63,.18);display:flex;flex-direction:column}.mobile-menu.is-open{transform:none}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.mobile-menu-head img{width:170px;height:42px;object-fit:contain}.mobile-menu-head button{width:46px;height:46px;border:0;border-radius:14px;background:var(--pale);font-size:29px;cursor:pointer}.mobile-menu-body{padding:18px 20px 30px;overflow:auto}.mobile-menu details,.mobile-home{border-bottom:1px solid var(--line)}.mobile-menu summary,.mobile-home{display:flex;align-items:center;min-height:54px;font-weight:800;cursor:pointer}.mobile-menu summary{list-style:none;justify-content:space-between}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary:after{content:'+';font-size:22px;color:var(--blue)}.mobile-menu details[open] summary:after{content:'−'}.mobile-menu details div{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 0 16px}.mobile-menu details a{min-height:44px;padding:10px 12px;border-radius:12px;background:var(--pale);color:var(--text)}.mobile-download{width:100%;margin-top:22px}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.section{padding:88px 0}.section-sm{padding:58px 0}.section-head{max-width:760px;margin-bottom:38px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-dark);font-weight:800;font-size:14px;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:'';width:24px;height:3px;border-radius:3px;background:var(--blue)}h1,h2,h3{line-height:1.22;margin-top:0}h1{font-size:clamp(38px,6vw,70px);letter-spacing:-.04em}h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.025em}h3{font-size:22px}.lead{font-size:clamp(18px,2vw,21px);color:var(--text);max-width:790px}.section-head p,.prose p{color:var(--text)}.hero{padding:72px 0 58px;background:radial-gradient(circle at 90% 15%,rgba(41,128,254,.16),transparent 30%),linear-gradient(180deg,#fff,#f5f8fd)}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}.hero-copy p{max-width:680px;color:var(--text);font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.button-secondary,.text-link{display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:var(--blue-dark)}.button-secondary{min-height:50px;padding:0 22px;border:1px solid #b9d5fb;border-radius:15px;background:#fff}.button-secondary:hover{background:var(--blue-soft)}.text-link:after{content:'→';margin-left:8px}.tag-list{display:flex;gap:9px;flex-wrap:wrap}.tag-list span{padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:14px;font-weight:700}.hero-visual{position:relative;padding:18px}.hero-visual:before{content:'';position:absolute;inset:9% 4%;border-radius:50%;background:rgba(41,128,254,.14);filter:blur(18px)}.hero-visual img{position:relative;border-radius:32px;box-shadow:var(--shadow)}.floating-note{position:absolute;z-index:2;padding:12px 15px;border-radius:16px;background:rgba(255,255,255,.94);border:1px solid var(--line);box-shadow:var(--shadow);font-weight:800;font-size:13px}.floating-note.one{left:-12px;top:22%}.floating-note.two{right:-14px;top:42%}.floating-note.three{left:2%;bottom:11%}.capability-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.capability-strip article{padding:26px;border-right:1px solid var(--line)}.capability-strip article:last-child{border-right:0}.capability-strip h3{font-size:18px;margin-bottom:7px}.capability-strip p{margin:0;color:var(--muted);font-size:14px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.category-card{min-height:218px;padding:26px;border-radius:24px;border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;position:relative;overflow:hidden}.category-card:after{content:'';position:absolute;width:110px;height:110px;border-radius:50%;right:-45px;bottom:-45px;background:var(--blue-soft)}.category-card.featured{grid-column:span 2;background:linear-gradient(140deg,var(--blue),var(--blue-dark));color:#fff;border:0}.category-card.wide{grid-column:span 2}.category-card:nth-child(3n){background:#f5f8fd}.category-card p{color:var(--text);position:relative;z-index:1}.category-card.featured p,.category-card.featured .text-link{color:#edf6ff}.category-card .text-link{margin-top:auto;align-self:flex-start;position:relative;z-index:1}.split-feature{display:grid;grid-template-columns:.92fr 1.08fr;gap:42px;align-items:center;padding:38px;border-radius:30px;background:linear-gradient(135deg,#eaf3ff,#f8fbff)}.split-feature.reverse{grid-template-columns:1.08fr .92fr}.feature-image img{border-radius:24px;box-shadow:var(--shadow)}.check-list{display:grid;gap:10px;margin:22px 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:34px;color:var(--text)}.check-list li:before{content:'✓';position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue-dark);font-weight:900}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.topic-panel{padding:34px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 34px rgba(23,103,214,.07)}.topic-panel.offset{transform:translateY(34px);background:var(--pale)}.topic-panel ul{padding-left:20px;color:var(--text)}.security-band{background:linear-gradient(130deg,#102f57,#1767d6);color:#fff}.security-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}.security-band p,.security-band li{color:#dceaff}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0;list-style:none}.security-list li{padding:16px 17px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.07)}.security-band .button-secondary{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.1);color:#fff}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.step{position:relative;padding:24px 18px;border-radius:22px;background:#fff;border:1px solid var(--line)}.step-number{width:38px;height:38px;border-radius:13px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:18px}.step h3{font-size:17px}.step p{font-size:14px;color:var(--muted)}.timeline{display:grid;gap:0;border-left:2px solid #bcd8fb;margin-left:10px}.timeline article{position:relative;padding:0 0 28px 32px}.timeline article:before{content:'';position:absolute;left:-8px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px var(--blue-soft)}.timeline small{color:var(--blue-dark);font-weight:800}.timeline h3{font-size:19px;margin:4px 0}.timeline p{margin:0;color:var(--text)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line)}.review p{margin:0;color:var(--text)}.review strong{display:block;margin-top:16px;color:var(--blue-dark)}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.faq-question{width:100%;min-height:64px;padding:16px 20px;border:0;background:#fff;display:flex;align-items:center;justify-content:space-between;text-align:left;font-weight:800;cursor:pointer;color:var(--ink)}.faq-question:after{content:'+';font-size:24px;color:var(--blue)}.faq-question[aria-expanded="true"]:after{content:'−'}.faq-answer{padding:0 20px 20px;color:var(--text)}.cta-panel{text-align:center;padding:58px 30px;border-radius:30px;background:linear-gradient(135deg,#eaf3ff,#f7f9fc);border:1px solid #d4e6fb}.cta-panel p{max-width:700px;margin:0 auto 24px;color:var(--text)}.page-hero{padding:72px 0 62px;background:linear-gradient(180deg,#f7fbff,#fff)}.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,62px)}.page-hero img{border-radius:28px;box-shadow:var(--shadow)}.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}.prose-card,.aside-card{padding:34px;border-radius:24px;border:1px solid var(--line);background:#fff}.aside-card{position:sticky;top:108px;background:var(--pale)}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:26px;border-radius:22px;border:1px solid var(--line);background:#fff}.info-card p{color:var(--text)}.number-list{counter-reset:item;display:grid;gap:14px;padding:0;list-style:none}.number-list li{counter-increment:item;padding:18px 18px 18px 62px;border-radius:18px;background:var(--pale);position:relative;color:var(--text)}.number-list li:before{content:counter(item);position:absolute;left:16px;top:16px;width:32px;height:32px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}.comparison{width:100%;border-collapse:collapse;border-radius:18px;overflow:hidden;border:1px solid var(--line)}.comparison th,.comparison td{padding:15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.comparison th{background:var(--blue-soft)}.comparison tr:last-child td{border-bottom:0}.notice{padding:20px 22px;border-left:4px solid var(--blue);background:var(--blue-soft);border-radius:0 16px 16px 0;color:var(--text)}.site-footer{background:var(--footer);color:#fff;padding:66px 0 24px}.footer-grid,.footer-note{width:min(calc(100% - 40px),var(--max));margin:auto}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}.footer-brand img{width:210px;filter:brightness(0) invert(1)}.footer-brand p{max-width:390px;color:#bcd0e8}.footer-grid h2{font-size:16px;margin-bottom:14px}.footer-grid a{display:block;color:#bfd0e4;padding:5px 0}.footer-grid a:hover{color:#fff}.footer-note{margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:20px;color:#9fb5cf;font-size:13px}.footer-note p{margin:0;max-width:860px}@media(max-width:1180px){.desktop-nav{display:none}.menu-button{display:flex}.nav-shell{min-height:72px}.brand img{width:170px}.steps{grid-template-columns:repeat(3,1fr)}}@media(max-width:900px){.section{padding:70px 0}.hero-grid,.page-hero-grid,.security-grid,.content-grid,.split-feature,.split-feature.reverse{grid-template-columns:1fr}.hero-copy{order:1}.hero-visual{order:2}.capability-strip{grid-template-columns:1fr 1fr}.capability-strip article:nth-child(2){border-right:0}.capability-strip article{border-bottom:1px solid var(--line)}.capability-strip article:nth-last-child(-n+2){border-bottom:0}.category-grid{grid-template-columns:1fr 1fr}.category-card.featured,.category-card.wide{grid-column:span 1}.dual-grid,.review-grid,.info-grid{grid-template-columns:1fr 1fr}.topic-panel.offset{transform:none}.aside-card{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.security-list{grid-template-columns:1fr 1fr}}@media(max-width:620px){.container,.footer-grid,.footer-note{width:min(calc(100% - 28px),var(--max))}.nav-shell{padding:0 14px;gap:8px}.brand img{width:142px}.download-btn.compact{padding:0 13px;min-height:42px;font-size:14px}.menu-button{width:44px;min-width:44px;height:44px}.hero{padding-top:48px}.hero-actions>*{width:100%}.hero-visual{padding:0}.floating-note{position:relative;display:inline-flex;margin:8px 5px 0;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important}.capability-strip,.category-grid,.dual-grid,.review-grid,.info-grid,.steps,.security-list{grid-template-columns:1fr}.capability-strip article{border-right:0;border-bottom:1px solid var(--line)!important}.capability-strip article:last-child{border-bottom:0!important}.split-feature{padding:24px 20px}.section{padding:58px 0}.section-sm{padding:42px 0}.topic-panel{padding:25px}.security-band .section{padding:58px 0}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-note{flex-direction:column}.mobile-menu details div{grid-template-columns:1fr}.page-hero{padding:48px 0}.prose-card,.aside-card{padding:24px}.comparison{display:block;overflow-x:auto;white-space:normal}.hero h1{font-size:42px}}