:root{--background:#f8fafc;--foreground:#0e141b;--card:#fff;--border:#d0dbe7;--muted:#eef4fb;--muted-foreground:#4e7397;--primary:#1773cf;--primary-foreground:#f8fafc;--primary-soft:#1773cf1a;--shadow:#0f172a14 0 18px 42px -18px, #0f172a0f 0 8px 18px -12px;--sans:system-ui, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;--serif:Georgia, "Times New Roman", "Noto Serif TC", serif;--mono:ui-monospace, Consolas, monospace;font:16px/1.5 var(--sans);color:var(--foreground);background:var(--background);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100svh;margin:0}button,input,textarea,select{font:inherit}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #1773cf59}.page-shell{background:var(--background);min-height:100svh}.site-header,.main-content,.site-footer{width:min(100% - 32px,768px);margin:0 auto}.site-header{z-index:20;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f8fafcdb;border-bottom:1px solid #d0dbe7b3;justify-content:space-between;align-items:center;min-height:66px;display:flex;position:sticky;top:0}.brand,.site-nav{align-items:center;display:flex}.brand{color:var(--foreground);gap:10px;font-weight:800;text-decoration:none}.brand-icon{background:var(--primary);width:36px;height:36px;color:var(--primary-foreground);border-radius:10px;place-items:center;display:grid}.site-nav{gap:18px}.site-nav a,.contact-section a{color:var(--muted-foreground);font-weight:700;text-decoration:none}.site-nav a:hover,.contact-section a:hover{color:var(--primary)}.hero-section{padding:24px 0 42px}.hero-image{background:var(--card);border-radius:18px;overflow:hidden}.hero-image img{object-fit:cover;width:100%;height:clamp(320px,48vw,420px);display:block}.hero-quote{text-align:center;max-width:680px;margin:28px auto 0}.hero-quote blockquote{color:var(--foreground);font-family:var(--serif);margin:0;font-size:clamp(20px,3vw,26px);font-style:italic;line-height:1.7}.hero-quote figcaption{color:var(--muted-foreground);margin-top:12px;font-style:italic}.hero-intro{max-width:680px;margin-top:40px}.section-kicker{color:var(--primary);letter-spacing:0;margin:0 0 10px;font-size:14px;font-weight:800}.hero-intro h1,.section-block h2,.service-modal h2{color:var(--foreground);font-family:var(--serif);letter-spacing:0;margin:0;font-weight:850}.hero-intro h1{max-width:720px;font-size:clamp(31px,6vw,52px);line-height:1.12}.hero-intro p,.section-lead,.service-item p,.accordion-item p,.service-modal span,.service-modal p{color:var(--muted-foreground);line-height:1.75}.hero-intro p{margin:18px 0 0;font-size:17px}.section-block{border-top:1px solid var(--border);text-align:left;padding:38px 0}.section-block h2{max-width:680px;font-size:clamp(28px,5vw,42px);line-height:1.2}.section-lead{max-width:640px;margin:12px 0 0}.primary-button{background:var(--primary);min-height:46px;color:var(--primary-foreground);font:inherit;cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;gap:10px;margin-top:22px;padding:0 18px;font-weight:850;display:inline-flex}.service-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding-bottom:42px;display:grid}.service-item{border:1px solid var(--border);background:var(--card);border-radius:14px;min-height:188px;padding:22px}.service-badge{background:var(--primary-soft);width:42px;height:42px;color:var(--primary);border-radius:12px;place-items:center;font-weight:900;display:grid}.service-item h3{color:var(--foreground);margin:18px 0 8px}.service-item p{margin:0;font-size:15px}.accordion-list{gap:12px;margin-top:18px;display:grid}.accordion-item{border:1px solid var(--border);background:var(--card);border-radius:14px;padding:0 16px}.accordion-item summary{min-height:58px;color:var(--foreground);cursor:pointer;font-family:var(--serif);justify-content:space-between;align-items:center;font-weight:850;list-style:none;display:flex}.accordion-item summary::-webkit-details-marker{display:none}.chevron{color:var(--muted-foreground);transition:transform .16s}.accordion-item[open] .chevron{transform:rotate(180deg)}.accordion-item p{margin:0;padding:0 0 18px;font-size:15px}.connection-section{grid-template-columns:1fr 1fr;gap:24px;display:grid}.messages{align-content:start;gap:10px;display:grid}.message,.messages span{border:1px solid var(--border);background:var(--card);width:fit-content;max-width:100%;color:var(--foreground);font-family:var(--mono);border-radius:12px;padding:11px 13px;font-size:14px}.contact-section{gap:8px;display:grid}.site-footer{border-top:1px solid var(--border);color:var(--muted-foreground);text-align:center;padding:30px 0 42px}.modal-backdrop{z-index:50;background:#0f172a6b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.service-modal{border:1px solid var(--border);background:var(--card);width:min(420px,100%);box-shadow:var(--shadow);border-radius:18px;padding:28px;position:relative}.close-button{background:var(--muted);width:36px;height:36px;color:var(--muted-foreground);cursor:pointer;border:0;border-radius:999px;place-items:center;font-size:22px;display:grid;position:absolute;top:14px;right:14px}.modal-service-list{gap:12px;margin-top:20px;display:grid}.modal-service-list button{border:1px solid var(--border);background:var(--card);text-align:left;border-radius:14px;justify-content:space-between;align-items:center;gap:16px;padding:16px;display:flex}@media (width<=760px){.site-header,.main-content,.site-footer{width:min(100% - 24px,768px)}.site-nav{gap:12px}.hero-section{padding-top:16px}.hero-image img{height:300px}.service-list,.connection-section{grid-template-columns:1fr}}