:root{--bg: #fdf4e3;--card: #ffffff;--ink: #1a1a1a;--muted: #4a4a4a;--faint: #6a6a6a;--border: #1a1a1a;--primary: #1e6fff;--primary-soft: #e8f0ff;--moto: #7c3aed;--yellow: #ffd23f;--green: #3fd68c;--pink: #ff7ac6;--orange: #ff7a3f;--sky: #cfe8f7;--shadow: 6px 6px 0 var(--ink);--shadow-lg: 10px 10px 0 var(--ink);--radius: 8px;--max: 1080px;--font: "Space Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans TC", "Noto Sans", sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);background-image:radial-gradient(rgba(26,26,26,.14) 1.4px,transparent 1.4px);background-size:26px 26px;line-height:1.55;font-size:17px;min-height:100dvh;display:flex;flex-direction:column}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.08;letter-spacing:-.02em}h1{font-size:clamp(2.4rem,6.5vw,4rem);font-weight:700;margin:0 0 .4em}h2{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:700;margin:2.6rem 0 1rem}h3{font-size:1.2rem;font-weight:700;margin:0 0 .3rem}p{margin:0 0 1rem}img{max-width:100%;height:auto}.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}main.wrap{padding-bottom:clamp(56px,8vw,96px)}.site-header{border-bottom:3px solid var(--ink);background:var(--card);position:sticky;top:0;z-index:50}.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:68px;padding-top:12px;padding-bottom:12px}.brand{font-weight:700;color:var(--ink);font-size:1.05rem;margin-right:auto;background:var(--yellow);border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink);padding:8px 14px;border-radius:6px;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}.brand img{width:34px;height:34px;object-fit:contain;flex:none}.brand:hover{text-decoration:none}.site-menu{display:flex;align-items:center;gap:12px}.nav{display:flex;align-items:center;gap:4px;font-size:.9rem}.nav a{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:500;padding:8px 10px;border:3px solid transparent;border-radius:6px;white-space:nowrap}.nav a img{width:26px;height:26px;object-fit:contain;flex:none}.nav a:hover{text-decoration:none;border:3px solid var(--ink);background:var(--green)}.lang-menu{position:relative}.lang-menu summary{display:flex;align-items:center;gap:6px;list-style:none;cursor:pointer;padding:8px 12px;border:3px solid var(--ink);border-radius:6px;background:var(--card);box-shadow:4px 4px 0 var(--ink);font-size:.9rem;font-weight:500;color:var(--ink);white-space:nowrap}.lang-menu summary::-webkit-details-marker{display:none}.lang-menu summary:hover{background:var(--primary-soft)}.lang-globe{font-size:.95rem}.lang-caret{color:var(--ink);font-size:.75rem;transition:transform .15s ease}.lang-menu[open] .lang-caret{transform:rotate(180deg)}.lang-list{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;max-height:60vh;overflow-y:auto;display:flex;flex-direction:column;padding:6px;background:var(--card);border:3px solid var(--ink);border-radius:8px;box-shadow:var(--shadow);z-index:60}.lang-list a{padding:9px 12px;border-radius:6px;color:var(--ink);font-weight:500;font-size:.95rem}.lang-list a:hover{background:var(--green);text-decoration:none}.lang-list a[aria-current=true]{color:var(--ink);font-weight:700;background:var(--yellow)}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;padding:0;margin-left:auto;border:3px solid var(--ink);border-radius:6px;background:var(--card);box-shadow:4px 4px 0 var(--ink);cursor:pointer}.nav-toggle-bar{display:block;width:20px;height:2.5px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media(max-width:1040px){.site-header .wrap{flex-wrap:wrap}.nav-toggle{display:flex}.site-menu{display:none;flex-direction:column;align-items:stretch;gap:12px;width:100%;padding:4px 0 16px}.site-menu.open{display:flex}.nav{flex-direction:column;align-items:stretch;gap:10px;width:100%;font-size:1.05rem}.nav a{border:3px solid var(--ink)}.lang-menu{width:100%}.lang-menu summary{justify-content:space-between;padding:12px 14px;font-size:1rem}.lang-list{position:static;width:100%;min-width:0;margin-top:8px;max-height:300px;box-shadow:none}}.hero{padding:40px 0 8px;position:relative}.hero-copy{position:relative;z-index:1}@media(min-width:920px){.hero{display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:24px;padding:52px 0 20px}.hero h1{font-size:clamp(2rem,4.2vw,2.95rem)}}.hero h1{white-space:normal}@media(min-width:920px){.hero h1{white-space:pre-line}}.hero p.sub{font-size:1.22rem;color:var(--ink);font-weight:500;max-width:46ch}.cta-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}.btn{display:inline-block;padding:15px 26px;border-radius:6px;font-weight:700;font-size:1.02rem;border:3px solid var(--ink);box-shadow:var(--shadow);transition:transform .08s ease,box-shadow .08s ease}.btn:active{transform:translate(6px,6px);box-shadow:0 0 0 var(--ink)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{text-decoration:none}.btn-ghost{background:var(--card);color:var(--ink)}.btn-ghost:hover{text-decoration:none;background:var(--yellow)}.official-note{margin-top:22px;font-weight:500;font-size:.95rem;color:var(--ink)}.official-note .dot{display:inline-block;width:12px;height:12px;background:var(--green);border:2px solid var(--ink);border-radius:50%;margin-right:8px;vertical-align:middle}.city-scene{position:relative;width:100%;padding:4px 12px 16px 0}.scene-panel{position:relative;width:100%;height:clamp(300px,38vw,440px);background:var(--sky);border:3px solid var(--ink);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}@media(max-width:919px){.scene-panel{height:clamp(260px,62vw,360px)}.city-scene{margin-top:12px}}.city-scene .el{position:absolute}.tower,.bldg,.tree{bottom:44px}.tower{left:51%;transform:translate(-50%);height:70%;z-index:3}.bldg-left{left:3%;height:40%;z-index:2}.bldg-right{right:3%;height:33%;transform:scaleX(-1);z-index:2}.tree-1{left:29%;height:24%;z-index:4}.tree-2{right:26%;height:19%;transform:scaleX(-1);z-index:4}.cloud{z-index:1}.cloud-1{top:7%;left:5%;width:clamp(46px,6vw,80px)}.cloud-2{top:15%;right:6%;width:clamp(36px,4.6vw,60px)}.spark{position:absolute;background:var(--ink);z-index:1;opacity:.75;clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%)}.spark-1{top:12%;left:30%;width:15px;height:15px}.spark-2{top:30%;left:12%;width:10px;height:10px}.spark-3{top:8%;right:26%;width:11px;height:11px}.spark-4{top:38%;right:12%;width:14px;height:14px}.road{position:absolute;left:0;right:0;bottom:0;height:44px;background:var(--ink);z-index:5}.road:after{content:"";position:absolute;top:20px;left:0;right:0;height:4px;background:repeating-linear-gradient(90deg,var(--yellow) 0 24px,transparent 24px 48px)}.veh{position:absolute;bottom:6px;z-index:6;will-change:transform}.veh .drift{display:block;will-change:transform}.veh img{display:block;height:clamp(46px,8.5vw,68px);width:auto}.veh-car{left:5%}.veh-scooter{right:5%}.veh-scooter img{transform:scaleX(-1)}@keyframes veh-enter-left{0%{transform:translate(-170%)}to{transform:translate(0)}}@keyframes veh-enter-right{0%{transform:translate(170%)}to{transform:translate(0)}}@keyframes veh-idle{0%,to{transform:translateY(0)}50%{transform:translateY(-1.5px)}}@media(prefers-reduced-motion:no-preference){.veh-car{animation:veh-enter-left .85s cubic-bezier(.16,1,.3,1) both}.veh-scooter{animation:veh-enter-right .95s cubic-bezier(.16,1,.3,1) .12s both}.veh img{animation:veh-idle .5s ease-in-out infinite}@supports (animation-timeline: scroll()){@keyframes drive-right{to{transform:translate(120px)}}@keyframes drive-left{to{transform:translate(-120px)}}.veh-car .drift{animation:drive-right linear both;animation-timeline:scroll(root block)}.veh-scooter .drift{animation:drive-left linear both;animation-timeline:scroll(root block)}}}.sec-title{display:inline-block;font-size:clamp(1.6rem,4vw,2.2rem);font-weight:700;background:var(--primary);color:#fff;border:3px solid var(--ink);box-shadow:var(--shadow);padding:8px 18px;border-radius:6px;margin:64px 0 28px;transform:rotate(-1deg)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin:22px 0}.feature-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:22px;margin:22px 0}.feature-grid .card{flex:1 1 260px;max-width:336px}.card{background:var(--card);border:3px solid var(--ink);box-shadow:var(--shadow);border-radius:var(--radius);padding:24px;transition:transform .1s ease,box-shadow .1s ease}.card h3{color:var(--ink)}.card p{color:var(--muted);margin:0;font-weight:500;font-size:.98rem}a.card:hover{text-decoration:none;transform:translate(-3px,-3px);box-shadow:var(--shadow-lg)}.card:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-lg)}.card .ico{width:64px;height:64px;display:grid;place-items:center;background:var(--card);border:3px solid var(--ink);border-radius:8px;margin-bottom:16px;overflow:hidden}.card .ico img{width:46px;height:46px;object-fit:contain}.link-card{border:3px solid var(--ink);box-shadow:var(--shadow);border-radius:var(--radius);padding:22px 24px;font-weight:700;font-size:1.12rem;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:transform .08s ease,box-shadow .08s ease}.link-card:hover{text-decoration:none}.link-card:active{transform:translate(6px,6px);box-shadow:0 0 0 var(--ink)}.link-card .arr{font-size:1.6rem}.link-card .lc-txt{flex:1}.link-card .lc-ico{flex:none;width:44px;height:44px;display:grid;place-items:center;background:var(--card);border:3px solid var(--ink);border-radius:6px}.link-card .lc-ico img{width:30px;height:30px;object-fit:contain}.link-card.lc-check{background:var(--yellow);color:var(--ink)}.link-card.lc-car{background:var(--green);color:var(--ink)}.link-card.lc-moto{background:var(--moto);color:#fff}.step{background:var(--card);border:3px solid var(--ink);box-shadow:var(--shadow);border-radius:var(--radius);padding:22px 24px;margin:20px 0}.step h3{color:var(--ink);font-size:1.25rem}.step ul{margin:.6rem 0 0;padding-left:1.1rem}.step li{margin:.4rem 0;color:var(--ink)}.step>p{color:var(--muted);font-weight:500}.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.06em;font-size:.8rem;font-weight:700;color:var(--ink);background:var(--yellow);border:2px solid var(--ink);padding:3px 8px;border-radius:4px}.site-footer{margin-top:auto;border-top:3px solid var(--ink);background:var(--card);padding:48px 0 52px;color:var(--muted);font-weight:500;font-size:.9rem}.site-footer a{color:var(--ink);font-weight:700}