:root{--bg:#06080f;--bg-alt:#0b0f1c;--card:#0e1322;--line:#ffffff17;--ink:#f4f5f9;--sub:#98a1b6;--gold:#e9c17e;--gold-deep:#c9974f;--radius:16px;--font:"Poppins","Noto Sans TC","Microsoft JhengHei",-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}section{padding:clamp(56px,9vw,110px) 24px}.wrap{max-width:1080px;margin:0 auto}.eyebrow{color:var(--gold);letter-spacing:2px;text-transform:uppercase;font-size:.8rem;font-weight:600}h1,h2,h3{letter-spacing:.3px;font-weight:700}header{z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);background:#06080fbf;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;max-width:1080px;margin:0 auto;padding:14px 24px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand img{width:34px;height:34px}.brand span{letter-spacing:1px;white-space:nowrap;font-size:1rem;font-weight:700}.nav-links{color:var(--sub);align-items:center;gap:36px;font-size:.92rem;display:flex}.nav-links a:hover{color:var(--gold)}.nav-cta{border:1px solid var(--gold);border-radius:999px;padding:8px 18px;font-weight:600;color:var(--gold)!important;font-size:.85rem!important}.nav-cta:hover{background:var(--gold);color:var(--bg)!important}.burger{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:6px;display:none}.burger span{background:var(--ink);border-radius:2px;width:22px;height:2px;display:block}.mobile-menu{background:var(--bg-alt);border-bottom:1px solid var(--line);flex-direction:column;gap:2px;padding:8px 24px 18px;display:none}.mobile-menu a{border-bottom:1px solid var(--line);color:var(--ink);padding:12px 4px;font-size:.95rem}.mobile-menu a:last-child{border-bottom:none}body.menu-open .mobile-menu{display:flex}.hero{text-align:center;padding-top:clamp(64px,10vw,120px);padding-bottom:20px}.hero img.mark{width:clamp(120px,18vw,180px);margin:0 auto 8px}.hero h1{max-width:760px;margin:18px auto;font-size:clamp(1.7rem,4.4vw,2.9rem)}.hero h1 .accent{color:var(--gold)}.hero p.lede{color:var(--sub);max-width:560px;margin:0 auto 34px;font-size:clamp(.95rem,1.6vw,1.1rem)}.hero-cta{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.btn{border-radius:999px;align-items:center;gap:8px;padding:13px 26px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--gold);color:#111}.btn-primary:hover{background:var(--gold-deep)}.btn-ghost{border:1px solid var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:32px;display:flex}.section-head h2{margin-top:8px;font-size:clamp(1.35rem,2.6vw,1.9rem)}.section-head .more{color:var(--gold);white-space:nowrap;font-size:.88rem}.grid{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .18s,border-color .18s}.card:hover{border-color:#e9c17e59;transform:translateY(-4px)}.card .tag{letter-spacing:.5px;color:var(--gold);background:#e9c17e1a;border-radius:999px;margin-bottom:14px;padding:4px 10px;font-size:.72rem;font-weight:700;display:inline-block}.card h3{margin-bottom:8px;font-size:1.05rem;line-height:1.5}.card p{color:var(--sub);font-size:.88rem}.card .meta{color:#6b7386;margin-top:16px;font-size:.78rem}.appdev-box{background:var(--bg-alt);border:1px solid var(--line);border-radius:20px;padding:clamp(28px,4vw,44px)}.appdev-top{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:30px;display:flex}.appdev-top h3{font-size:1.3rem}.appdev-top p{color:var(--sub);max-width:480px;margin-top:8px;font-size:.9rem}.status-pill{color:var(--gold);border:1px solid var(--gold);white-space:nowrap;border-radius:999px;padding:6px 14px;font-size:.78rem;font-weight:700}.timeline{justify-content:space-between;margin-top:10px;display:flex;position:relative}.timeline:before{content:"";background:var(--line);height:2px;position:absolute;top:9px;left:0;right:0}.step{text-align:center;z-index:1;flex:1;position:relative}.step .dot{background:var(--bg-alt);border:2px solid var(--sub);border-radius:50%;width:20px;height:20px;margin:0 auto 10px}.step.done .dot{background:var(--gold);border-color:var(--gold)}.step.active .dot{border-color:var(--gold);box-shadow:0 0 0 4px #e9c17e2e}.step span{color:var(--sub);font-size:.78rem}.step.active span{color:var(--gold);font-weight:600}.step.done span{color:var(--ink)}.appdev-log{flex-direction:column;gap:14px;margin-top:28px;list-style:none;display:flex}.appdev-log li{background:var(--card);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 18px;font-size:.9rem;display:flex}.appdev-log li a:hover{color:var(--gold)}.appdev-log .log-date{color:#6b7386;white-space:nowrap;font-size:.78rem}.about{background:var(--card);border:1px solid var(--line);border-radius:20px;flex-wrap:wrap;align-items:center;gap:32px;padding:clamp(28px,4vw,40px);display:flex}.avatar{background:linear-gradient(135deg,var(--gold),#8a6a34);color:#111;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:76px;height:76px;font-size:1.5rem;font-weight:700;display:flex}.about-text p{color:var(--sub);max-width:600px;font-size:.93rem}.about-text h3{margin-bottom:8px;font-size:1.15rem}.article-head{text-align:center;max-width:720px;margin:0 auto 40px}.article-head .tag{color:var(--gold);background:#e9c17e1a;border-radius:999px;margin-bottom:16px;padding:5px 12px;font-size:.75rem;font-weight:700;display:inline-block}.article-head h1{margin-bottom:14px;font-size:clamp(1.6rem,3.4vw,2.3rem)}.article-head .date{color:#6b7386;font-size:.85rem}.prose{color:#c4cad9;max-width:720px;margin:0 auto;font-size:1rem}.prose h2{color:var(--ink);margin:36px 0 14px;font-size:1.4rem}.prose h3{color:var(--ink);margin:28px 0 12px;font-size:1.15rem}.prose p{margin-bottom:18px}.prose ul,.prose ol{margin:0 0 18px 22px}.prose li{margin-bottom:8px}.prose a{color:var(--gold);text-decoration:underline}.prose code{background:var(--card);border-radius:6px;padding:2px 6px;font-size:.9em}.back-link{color:var(--gold);text-align:center;width:100%;margin:0 auto 28px;font-size:.9rem;display:inline-block}footer{border-top:1px solid var(--line);padding:36px 24px}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;max-width:1080px;margin:0 auto;display:flex}.footer-brand{color:var(--sub);align-items:center;gap:10px;font-size:.85rem;display:flex}.footer-brand img{width:22px;height:22px}.footer-links{color:var(--sub);gap:22px;font-size:.85rem;display:flex}.footer-links a:hover{color:var(--gold)}@media (width<=860px){.grid{grid-template-columns:repeat(2,1fr)}}@media (width<=720px){.nav-links{display:none}.burger{display:flex}.grid{grid-template-columns:1fr}.about{text-align:center;flex-direction:column}.appdev-top{flex-direction:column}.timeline{flex-wrap:wrap;row-gap:20px}.timeline:before{display:none}.step{flex:0 0 33%}.appdev-log li{flex-direction:column;align-items:flex-start;gap:4px}}