:root{
  --bg:#ffffff;--paper:#ffffff;--soft:#f6f8fc;--ink:#0f172a;--ink2:#1e293b;--muted:#475569;--line:#e6eaf2;
  --hot:#4f46e5;--blue:#2563eb;--vio:#7c3aed;--mint:#06b6d4;--sun:#3b82f6;
  --grad:linear-gradient(120deg,#2563eb,#6366f1 45%,#9333ea);
  --r:22px;--sh:0 1px 2px rgba(15,23,42,.04),0 14px 34px -14px rgba(37,56,120,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:"Noto Sans TC","Space Grotesk",-apple-system,"PingFang HK","Microsoft JhengHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg,canvas{display:block}
button{font:inherit;cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.sr,.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip:focus{position:fixed;left:16px;top:16px;width:auto;height:auto;clip:auto;z-index:999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px}
:focus-visible{outline:3px solid var(--vio);outline-offset:3px;border-radius:8px}
.hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.en,em{font-family:"Space Grotesk",sans-serif;font-style:normal}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:999px;font-weight:700;border:0;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-hot{background:var(--grad);color:#fff;box-shadow:0 12px 26px -12px rgba(79,70,229,.75)}
.btn-hot:hover{box-shadow:0 16px 30px -12px rgba(79,70,229,.9)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 4px 14px -8px rgba(15,23,42,.2)}
.btn-ghost:hover{border-color:#c7cff0}
.btn-sm{padding:10px 18px;font-size:.92rem}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.scrolled{border-color:var(--line);box-shadow:0 6px 20px -16px rgba(0,0,0,.3)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;position:relative;overflow:hidden}
.logo i{width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 12px 2px rgba(255,255,255,.7)}
.brand-t{font-weight:900;font-size:1.08rem;line-height:1.1;display:flex;flex-direction:column}
.brand-t small{font-family:"Space Grotesk";font-weight:500;font-size:.68rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.menu{display:flex;align-items:center;gap:28px;font-weight:500}
.menu a:not(.btn){position:relative;color:var(--ink2)}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--hot);transition:width .25s}
.menu a:not(.btn):hover::after{width:100%}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--paper);flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{padding:18px 0 40px}
.hero-card{position:relative;border-radius:32px;background:linear-gradient(160deg,#f7f9ff,#eef2ff 55%,#f5f3ff);border:1px solid #e3e8f8;box-shadow:var(--sh);color:var(--ink);overflow:hidden;padding:72px 56px 28px;isolation:isolate}
#mesh{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-card::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(255,255,255,.75),rgba(255,255,255,.2) 60%,rgba(255,255,255,0));pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.88rem;color:var(--ink2);box-shadow:0 4px 14px -10px rgba(15,23,42,.3)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(6,182,212,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 10px rgba(6,182,212,0)}100%{box-shadow:0 0 0 0 rgba(6,182,212,0)}}
.hero h1{font-size:clamp(2.3rem,5.4vw,4.3rem);line-height:1.12;font-weight:900;letter-spacing:-.01em;margin:22px 0 20px}
.lead{font-size:1.14rem;color:#334155;max-width:34em}
.lead-en{font-family:"Space Grotesk";color:#64748b;margin-top:8px;font-size:.98rem;max-width:36em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-side{position:relative;height:400px}
.orb{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:220px;height:220px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#bfe9ff,#60a5fa 30%,#6366f1 58%,#9333ea);box-shadow:0 30px 80px -10px rgba(99,102,241,.45),inset -20px -30px 60px rgba(60,20,140,.35);color:#fff;display:grid;place-items:center;animation:bob 6s ease-in-out infinite}
.orb span{font-family:"Space Grotesk";font-weight:700;font-size:3rem;letter-spacing:.04em;text-shadow:0 2px 20px rgba(0,0,0,.25)}
.ring{position:absolute;border-radius:50%;border:1px solid rgba(99,102,241,.25);inset:-30px;animation:spin 18s linear infinite}
.ring::before{content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;background:var(--sun);box-shadow:0 0 12px var(--sun)}
.r2{inset:-62px;animation-duration:26s;animation-direction:reverse}.r2::before{background:var(--mint);box-shadow:0 0 12px var(--mint)}
.r3{inset:-94px;border-style:dashed;border-color:rgba(99,102,241,.18);animation-duration:40s}.r3::before{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes bob{50%{transform:translate(-50%,-54%)}}
.float{position:absolute;display:flex;flex-direction:column;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.85);border:1px solid var(--line);box-shadow:0 10px 24px -14px rgba(37,56,120,.35);color:var(--ink);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:.85rem;animation:bob2 5s ease-in-out infinite}
.float em{color:var(--muted);font-size:.78rem}
.f1{top:20px;left:0}.f2{bottom:40px;right:-6px;animation-delay:-1.6s}.f3{bottom:8px;left:20px;animation-delay:-3.2s}
@keyframes bob2{50%{transform:translateY(-8px)}}
.hero-facts{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;border-top:1px solid rgba(15,23,42,.08)}
.hero-facts li{padding:22px 18px 8px;display:flex;flex-direction:column;gap:4px}
.hero-facts li+li{border-left:1px solid rgba(15,23,42,.08)}
.hero-facts b{font-size:1.5rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;width:max-content}
.hero-facts span{color:var(--muted);font-size:.88rem;line-height:1.45}
.hero-facts em{color:#64748b;font-size:.78rem}

/* marquee */
.marquee{overflow:hidden;padding:18px 0;border-block:1px solid var(--line);background:var(--soft);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mq{display:flex;gap:44px;width:max-content;animation:mq 40s linear infinite}
.mq span{font-weight:700;font-size:1.05rem;color:var(--ink2);white-space:nowrap;display:flex;align-items:center;gap:44px}
.mq span::after{content:"✦";color:var(--vio);font-size:.8rem}
@keyframes mq{to{transform:translateX(-50%)}}

/* sections */
.sec{padding:110px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.eyebrow{font-family:"Space Grotesk";font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--hot);margin-bottom:14px}
.sec h2{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.2;font-weight:900;letter-spacing:-.01em}
.sub{color:var(--muted);font-size:1.06rem;margin-top:16px}
.sub .en{display:block;font-size:.92rem;opacity:.8}

/* tabs */
.tabs{display:inline-flex;flex-wrap:wrap;gap:6px;padding:6px;background:var(--soft);border:1px solid var(--line);border-radius:999px;margin-bottom:32px}
.tabs button{border:0;background:transparent;padding:10px 20px;border-radius:999px;font-weight:700;color:var(--muted);transition:background .2s,color .2s}
.tabs button small{font-family:"Space Grotesk";font-weight:500;font-size:.75rem;opacity:.7;margin-left:4px}
.tabs button[aria-selected="true"]{background:var(--grad);color:#fff;box-shadow:0 8px 18px -10px rgba(79,70,229,.8)}
.tabs button:not([aria-selected="true"]):hover{color:var(--ink)}

/* services grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:0 1px 2px rgba(15,23,42,.04),0 6px 18px -12px rgba(37,56,120,.18);position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.svc::before{content:"";position:absolute;inset:auto -40% 100% auto;width:200px;height:200px;border-radius:50%;background:var(--grad);opacity:0;filter:blur(40px);transition:opacity .4s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#c9d2f2}
.svc:hover::before{opacity:.18}
.svc.hide{display:none}
.svc-wide{grid-column:span 2}
.ic{width:52px;height:52px;border-radius:16px;background:var(--ink);display:grid;place-items:center;margin-bottom:20px}
.ic svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc:nth-child(3n+1) .ic{background:linear-gradient(135deg,#2563eb,#6366f1)}
.svc:nth-child(3n+2) .ic{background:linear-gradient(135deg,#7c3aed,#a855f7)}
.svc:nth-child(3n) .ic{background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.svc h3{font-size:1.25rem;font-weight:900;line-height:1.35}
.svc h3 span{display:block;font-family:"Space Grotesk";font-weight:500;font-size:.85rem;color:var(--muted);margin-top:2px}
.svc p{color:var(--muted);margin:12px 0 18px}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:.8rem;padding:4px 11px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--ink2)}
.inds{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.inds div{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:14px}
.inds b{display:block;font-weight:900}
.inds b em{font-size:.75rem;color:var(--vio);margin-left:4px;text-transform:uppercase;letter-spacing:.08em}
.inds span{font-size:.86rem;color:var(--muted)}

/* why */
.sec-dark{background:linear-gradient(160deg,#f5f8ff,#f3f0ff);color:var(--ink);border-radius:40px;margin:0 12px;border:1px solid #e6e9f7}
.sec-dark .sub{color:var(--muted)}
.why{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.why-l .btn{margin-top:28px}
.why-r{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.wcard{background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px -16px rgba(37,56,120,.3);border-radius:var(--r);padding:26px;transition:border-color .3s,transform .3s}
.wcard:hover{border-color:#a5b4fc;transform:translateY(-3px)}
.wcard .n{font-family:"Space Grotesk";font-weight:700;color:var(--hot);font-size:.9rem}
.wcard h3{font-size:1.2rem;font-weight:900;margin:8px 0 6px}
.wcard h3 em{display:block;font-size:.8rem;font-weight:500;color:#64748b}
.wcard p{color:var(--muted);font-size:.95rem}
.why-r .wcard:nth-child(even){transform:translateY(24px)}
.why-r .wcard:nth-child(even):hover{transform:translateY(20px)}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;top:27px;left:28px;right:28px;height:2px;background:repeating-linear-gradient(90deg,#c7d2fe 0 8px,transparent 8px 14px)}
.steps li{position:relative}
.steps li>span{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid #c7d2fe;color:var(--hot);font-family:"Space Grotesk";font-weight:700;margin-bottom:18px;position:relative}
.steps li:first-child>span{background:var(--grad);border-color:transparent;color:#fff}
.steps h3{font-weight:900;font-size:1.12rem}
.steps h3 em{display:block;font-size:.8rem;color:var(--muted);font-weight:500}
.steps p{color:var(--muted);font-size:.94rem;margin-top:6px}

/* faq */
.sec-soft{background:var(--soft)}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-wrap .sec-head{position:sticky;top:110px}
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:0 24px;transition:box-shadow .3s}
.faq details[open]{box-shadow:var(--sh)}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:700;font-size:1.06rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:32px;height:32px;border-radius:50%;background:var(--soft);color:var(--hot);display:grid;place-items:center;font-size:1.3rem;font-weight:500;transition:transform .3s,background .3s}
.faq details[open] summary::after{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq details p{color:var(--muted);padding:0 0 22px}

/* cta band */
.cta-band{padding:0 12px}
.cta-in{background:var(--grad);border-radius:32px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;position:relative;overflow:hidden}
.cta-in::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;border:40px solid rgba(15,23,42,.08)}
.cta-in h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:900;line-height:1.25}
.cta-in p{opacity:.92;margin-top:8px}
.cta-in .btn{flex:none;position:relative;z-index:1;background:#fff;color:var(--ink)}

/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.c-list{list-style:none;margin-top:30px;display:flex;flex-direction:column;gap:12px}
.c-list li{display:flex;justify-content:space-between;gap:16px;padding:16px 20px;background:#fff;box-shadow:0 6px 18px -14px rgba(37,56,120,.3);border:1px solid var(--line);border-radius:16px}
.c-list span{color:var(--muted)}
.tbd{color:#b45309;font-weight:700}
.form{background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:32px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:16px}
.demo-note{background:#fff4e0;border:1px dashed #f0b75a;color:#7a4b00;border-radius:12px;padding:10px 14px;font-size:.88rem;line-height:1.5}
.demo-note span{opacity:.8;font-size:.82rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:.9rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--soft);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--vio);box-shadow:0 0 0 4px rgba(99,102,241,.18)}
.form input[aria-invalid="true"]{border-color:#e5484d}
.form .btn{align-self:flex-start}
.f-msg{font-size:.92rem;min-height:1.4em}
.f-msg.ok{color:#0f8a6a}.f-msg.err{color:#c4282d}

/* footer */
.foot{padding:56px 0 40px;margin-top:40px;border-top:1px solid var(--line);background:var(--soft)}
.foot-in{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px}
.foot nav{display:flex;gap:22px;color:var(--muted)}
.foot nav a:hover{color:var(--ink)}
.foot p{color:var(--muted);font-size:.9rem}

/* chat widget */
.si-badge{width:34px;height:34px;flex:none;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:"Space Grotesk";font-weight:700;font-size:.82rem;letter-spacing:.04em}
.chat-launch{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;align-items:center;gap:10px;padding:8px 18px 8px 8px;border-radius:999px;border:0;background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:700;box-shadow:0 14px 30px -12px rgba(37,56,120,.45);transition:transform .2s}
.chat-launch:hover{transform:translateY(-2px)}
.chat{position:fixed;right:20px;bottom:84px;z-index:61;width:min(360px,calc(100vw - 32px));max-height:min(540px,calc(100vh - 110px));display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 60px -20px rgba(37,56,120,.35);overflow:hidden}
.chat[hidden]{display:none}
.chat-h{display:flex;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:var(--ink);border-bottom:1px solid var(--line)}
.chat-h div{flex:1;display:flex;flex-direction:column;line-height:1.25}
.chat-h small{color:var(--muted);font-size:.75rem}
.chat-x{border:1px solid var(--line);background:#fff;color:var(--ink);width:32px;height:32px;border-radius:50%}
.chat-b{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;min-height:180px}
.msg{max-width:85%;padding:10px 14px;border-radius:16px;font-size:.92rem;line-height:1.55}
.msg.bot{background:var(--soft);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 10px}
.chips button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;font-size:.8rem}
.chips button:hover{border-color:#a5b4fc;color:var(--hot)}
.chat-f{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.chat-f input{flex:1;font:inherit;padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:var(--ink)}
.chat-f button{border:0;width:42px;border-radius:50%;background:var(--grad);color:#fff}
.chat-note{font-size:.72rem;color:var(--muted);text-align:center;padding:0 12px 10px}


/* ===== business version: contact, toast ===== */
.c-mail{color:var(--hot);font-weight:700;word-break:break-all}
.c-mail:hover{text-decoration:underline}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form{position:relative}
.form-note{background:#eef2ff;border:1px solid #d9defa;color:#3730a3;border-radius:12px;padding:10px 14px;font-size:.88rem;line-height:1.55}
.form-note a{font-weight:700;text-decoration:underline}
.form-note span{opacity:.75;font-size:.8rem}
.f-msg a{text-decoration:underline;font-weight:700}
.foot-mail{color:var(--hot);font-weight:700}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:80;background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;font-weight:700;font-size:.95rem;box-shadow:0 16px 36px -14px rgba(15,23,42,.6);opacity:0;transition:opacity .3s,transform .3s;max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.msg.typing{color:var(--muted);font-style:italic;animation:blink 1.2s ease-in-out infinite}
@keyframes blink{50%{opacity:.5}}

/* ===== ad slots 廣告位 ===== */
.ad-lab{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;padding:2px 8px;border-radius:6px;background:#fff7e6;color:#a15c00;border:1px solid #f5d9a8;white-space:nowrap}
.ad-top{background:linear-gradient(90deg,#eef2ff,#f5f3ff 50%,#ecfeff);border-bottom:1px solid var(--line);font-size:.88rem}
.ad-top[hidden]{display:none}
.ad-top-in{display:flex;align-items:center;gap:12px;min-height:44px;padding-top:6px;padding-bottom:6px}
.ad-top-t{flex:1;color:var(--ink2);line-height:1.4}
.ad-top-t span{color:var(--muted)}
.ad-top-cta{font-weight:700;color:var(--hot);white-space:nowrap}
.ad-top-x{border:0;background:transparent;color:var(--muted);width:28px;height:28px;border-radius:50%;flex:none}
.ad-top-x:hover{background:#fff}
.ad-sec{padding:0 0 30px}
.ad-sec-strip{padding:70px 0 80px}
.ad-app{display:grid;grid-template-columns:1.4fr .8fr;gap:32px;align-items:center;border-radius:28px;padding:40px 48px;background:linear-gradient(135deg,#f8faff,#eef2ff 60%,#f5f3ff);border:1px dashed #c7cff0;position:relative;overflow:hidden}
.ad-app h3{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:900;margin:12px 0 8px;line-height:1.25}
.ad-app p{color:var(--muted);max-width:36em}
.store-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.store{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;padding:9px 18px 9px 14px;border-radius:12px;transition:transform .2s}
.store:hover{transform:translateY(-2px)}
.store svg{width:24px;height:24px;fill:#fff}
.store span{display:flex;flex-direction:column;line-height:1.1;font-weight:700;font-size:1.02rem;font-family:"Space Grotesk",sans-serif}
.store small{font-size:.66rem;font-weight:500;opacity:.8;letter-spacing:.03em}
.ad-more{display:inline-block;margin-top:16px;color:var(--hot);font-weight:700;font-size:.92rem}
.ad-app-r{display:grid;place-items:center}
.phone{width:190px;height:300px;border-radius:30px;background:#fff;border:8px solid var(--ink);box-shadow:0 30px 60px -24px rgba(37,56,120,.5);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:16px}
.ph-ic{width:64px;height:64px;border-radius:18px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-family:"Space Grotesk"}
.phone b{font-weight:900}
.phone em{font-size:.75rem;color:#b45309}
.ph-btn{font-style:normal;margin-top:8px;padding:6px 16px;border-radius:999px;background:var(--grad);color:#fff;font-size:.8rem;font-weight:700}
.strip-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.strip-head .eyebrow{margin:0}
.strip-link{color:var(--hot);font-weight:700;font-size:.92rem}
.ad-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ad-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;background:#fff;border:1px dashed #c7cff0;border-radius:var(--r);padding:24px;min-height:220px;transition:transform .25s,box-shadow .25s,border-color .25s}
.ad-card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#a5b4fc}
.ad-ic{font-size:1.8rem;margin-top:6px}
.ad-card h3{font-weight:900;font-size:1.12rem}
.ad-card p{color:var(--muted);font-size:.93rem;flex:1}
.ad-cta{color:var(--hot);font-weight:700;font-size:.9rem;white-space:nowrap}
.foot-ad{margin-top:28px;padding-bottom:40px}
.ad-mini{display:flex;align-items:center;gap:14px;background:#fff;border:1px dashed #c7cff0;border-radius:16px;padding:14px 18px}
.ad-mini-t{flex:1;display:flex;flex-direction:column;line-height:1.4}
.ad-mini-t b{font-size:.95rem}
.ad-mini-t small{color:var(--muted);font-size:.82rem;word-break:break-all}

/* advertise section */
.adv{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.adv-l .btn{margin-top:26px}
.adv-mail{margin-top:14px;color:var(--muted)}
.adv-mail a{color:var(--hot);font-weight:700}
.adv-r{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--sh)}
.adv-r h3{font-size:1.25rem;font-weight:900;margin-bottom:16px}
.adv-r h3 em{display:block;font-size:.82rem;font-weight:500;color:var(--muted)}
.sizes{list-style:none;display:flex;flex-direction:column;gap:10px}
.sizes li{display:grid;grid-template-columns:110px 1fr;column-gap:14px;padding:14px 16px;background:var(--soft);border:1px solid var(--line);border-radius:14px}
.sizes b{grid-row:span 2;font-family:"Space Grotesk";font-weight:700;font-size:1.15rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;align-self:center}
.sizes span{font-weight:700;font-size:.95rem}
.sizes em{color:var(--muted);font-size:.84rem}
.adv-note{margin-top:16px;font-size:.86rem;color:var(--muted)}

@media (max-width:1024px){
  .ad-strip{grid-template-columns:1fr 1fr}
  .adv{grid-template-columns:1fr;gap:36px}
}
@media (max-width:820px){
  .ad-app{grid-template-columns:1fr;padding:30px 24px}
  .ad-app-r{display:none}
  .ad-sec-strip{padding:56px 0 60px}
}
@media (max-width:640px){
  .ad-strip{grid-template-columns:1fr}
  .ad-card{min-height:0}
  .ad-top{font-size:.8rem}
  .ad-top-t span{display:none}
  .sizes li{grid-template-columns:86px 1fr}
  .ad-mini{flex-wrap:wrap}
  .toast{bottom:84px}
}

/* reveal */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}
.js .why-r .wcard.rv.in:nth-child(even){transform:translateY(24px)}

/* responsive */
@media (max-width:1024px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr}
  .hero-side{height:300px;max-width:440px;width:100%;margin:0 auto}
  .orb{width:170px;height:170px}
  .why,.faq-wrap,.contact{grid-template-columns:1fr;gap:40px}
  .faq-wrap .sec-head{position:static}
  .steps{grid-template-columns:1fr;gap:22px}
  .steps::before{top:28px;bottom:28px;left:27px;right:auto;width:2px;height:auto;background:repeating-linear-gradient(180deg,#c7d2fe 0 8px,transparent 8px 14px)}
  .steps li{display:grid;grid-template-columns:56px 1fr;column-gap:18px}
  .steps li>span{grid-row:span 2;margin:0}
}
@media (max-width:820px){
  .burger{display:flex}
  .menu{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(0,0,0,.3);transform:translateY(-12px);opacity:0;visibility:hidden;transition:.25s}
  .menu.open{transform:none;opacity:1;visibility:visible}
  .menu a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--line)}
  .menu .btn{margin-top:16px;justify-content:center}
  .hero-card{padding:44px 24px 16px;border-radius:26px}
  .hero-card::after{background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,.35))}
  .hero-facts{grid-template-columns:1fr 1fr;margin-top:30px}
  .hero-facts li:nth-child(3){border-left:0}
  .hero-facts li:nth-child(n+3){border-top:1px solid rgba(15,23,42,.08)}
  .sec{padding:76px 0}
  .sec-dark{border-radius:28px;margin:0 8px}
  .cta-in{flex-direction:column;align-items:flex-start;padding:40px 28px}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .grid{grid-template-columns:1fr}
  .svc-wide{grid-column:auto}
  .inds{grid-template-columns:1fr}
  .why-r{grid-template-columns:1fr}
  .why-r .wcard:nth-child(even),.js .why-r .wcard.rv.in:nth-child(even){transform:none}
  .row{grid-template-columns:1fr}
  .form{padding:22px}
  .c-list li{flex-direction:column;gap:2px}
  .tabs{border-radius:18px;display:flex}
  .tabs button{flex:1 1 40%;padding:10px 8px}
  .hero-side{height:250px}
  .orb{width:140px;height:140px}.orb span{font-size:2.2rem}
  .float{font-size:.78rem}
  .cl-t{display:none}
  .chat-launch{padding:8px}
  .foot-in{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .rv{opacity:1;transform:none}
}

/* required markers + select fix */
.form .req{color:#e11d48;margin-left:3px;font-weight:800}
.form .req-note{margin:0;font-size:.8rem;font-weight:400;color:var(--mut,#64748b)}
.form select{appearance:auto;-webkit-appearance:menulist;color-scheme:light;cursor:pointer;min-height:46px}
.form select option{color:#0f172a;background:#fff}
.form input[type=file]{padding:9px 12px;cursor:pointer}

/* brand on one line */
.brand-t.brand-one{flex-direction:row;align-items:baseline;gap:.3em;white-space:nowrap}
.brand-t.brand-one small{font-size:.78rem}
@media(max-width:380px){.brand-t.brand-one{font-size:.95rem}}

/* Studio same style as brand text */
.brand-t.brand-one small{font:inherit;font-size:inherit;font-weight:inherit;color:inherit;letter-spacing:inherit;text-transform:none}

.form [aria-invalid="true"]{border-color:#e11d48!important;box-shadow:0 0 0 3px rgba(225,29,72,.15)}

/* pricing 待確認 tag */
.pr-tbc{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:999px;background:#fff7ed;color:#c2410c;font-size:.72rem;font-weight:700;vertical-align:middle}

/* ===== demo / sample ads 示範廣告 ===== */
.ad-tags{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px}
.ad-sample{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.03em;padding:2px 8px;border-radius:6px;background:#fdf2f8;color:#be185d;border:1px solid #fbcfe8;white-space:nowrap}
.ad-price{display:inline-block;font-size:.74rem;font-weight:800;padding:3px 10px;border-radius:999px;background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;white-space:nowrap}
.ad-demo-note{display:block;font-size:.72rem;color:#94a3b8;font-style:italic}
.sizes .sz-price{grid-column:2;margin-top:4px;font-size:.8rem;font-weight:800;color:#047857}
/* top banner: shimmer + rotating promos */
.ad-top{background:linear-gradient(90deg,#eef2ff,#fdf2f8,#ecfeff,#eef2ff);background-size:300% 100%;animation:adShimmer 12s linear infinite}
@keyframes adShimmer{to{background-position:300% 0}}
.ad-rot{flex:1;position:relative;height:24px;overflow:hidden;min-width:0}
.ad-rot-i{position:absolute;inset:0;display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink2);opacity:0;transform:translateY(100%);transition:opacity .5s,transform .5s}
.ad-rot-i.on{opacity:1;transform:none}
.ad-rot-t{color:var(--muted);overflow:hidden;text-overflow:ellipsis}
/* featured promo: animated phone (mobile web preview) */
.ad-app-meta{display:flex;flex-wrap:wrap;gap:8px 16px;margin:12px 0 4px;font-size:.88rem;color:var(--ink2);font-weight:700}
.ad-stars{color:#d97706}
.phone.phone-demo{position:relative;padding:22px 0 18px;justify-content:flex-start;overflow:hidden}
.ph-notch{position:absolute;top:6px;left:50%;width:54px;height:6px;margin-left:-27px;border-radius:6px;background:#cbd5e1}
.ph-screens{width:100%;flex:1;overflow:hidden}
.ph-track{display:flex;width:300%;height:100%;animation:phSlide 9s infinite}
@keyframes phSlide{0%,28%{transform:translateX(0)}33%,61%{transform:translateX(-33.333%)}66%,94%{transform:translateX(-66.666%)}100%{transform:translateX(0)}}
.ph-s{width:33.333%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:0 14px;text-align:center}
.ph-s1 .ph-ic{font-size:1.9rem}
.ph-h{font-size:.85rem;align-self:flex-start}
.ph-map{position:relative;width:100%;height:150px;border-radius:14px;background:linear-gradient(135deg,#dbeafe,#dcfce7);background-image:linear-gradient(90deg,rgba(255,255,255,.7) 2px,transparent 2px),linear-gradient(rgba(255,255,255,.7) 2px,transparent 2px),linear-gradient(135deg,#dbeafe,#dcfce7);background-size:34px 34px,34px 34px,100% 100%}
.ph-pin{position:absolute;font-size:1.2rem;animation:phPin 1.6s ease-in-out infinite}
.ph-pin.p0{left:16%;top:20%}.ph-pin.p1{left:62%;top:14%;animation-delay:.4s}.ph-pin.p2{left:30%;top:60%;animation-delay:.8s}.ph-pin.p3{left:70%;top:62%;animation-delay:1.2s}
@keyframes phPin{50%{transform:translateY(-6px)}}
.ph-row{display:flex;justify-content:space-between;width:100%;font-size:.78rem;padding:7px 9px;background:var(--soft);border-radius:10px}
.ph-row em{color:#b45309;font-style:normal;font-size:.74rem}
.ph-dots{width:34px;height:6px;margin-top:8px;border-radius:6px;background:radial-gradient(circle,#6366f1 2.5px,transparent 3px) 0 0/12px 6px repeat-x}
/* strip cards */
.ad-card.ad-demo{border-style:solid;position:relative;overflow:hidden}
.ad-card.ad-demo::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.65),transparent);transform:skewX(-18deg);pointer-events:none}
.ad-card.ad-demo:hover::after{animation:adSweep .9s ease}
@keyframes adSweep{to{left:130%}}
.ad-card.ad-demo:active{transform:scale(.98)}
.ad-card-hd{display:flex;align-items:center;gap:12px;margin-top:4px}
.ad-card-hd .ad-ic{margin:0;width:50px;height:50px;border-radius:14px;background:var(--soft);display:grid;place-items:center;transition:transform .3s}
.ad-card.ad-demo:hover .ad-ic{transform:rotate(-8deg) scale(1.08)}
.ad-card-ht{display:flex;flex-direction:column}
.ad-kind{font-size:.74rem;color:var(--hot);font-weight:700}
.ad-stats{display:flex;flex-wrap:wrap;gap:8px;width:100%}
.ad-stat{display:inline-flex;align-items:baseline;gap:4px;padding:5px 10px;border-radius:999px;background:var(--soft);border:1px solid var(--line);font-size:.8rem}
.ad-stat i{font-style:normal}
.ad-stat b{font-family:"Space Grotesk",sans-serif;font-weight:700;color:var(--ink);min-width:1.6em}
.ad-stat small{color:var(--muted)}
.ad-count{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:10px;background:#fff1f2;color:#be123c;font-size:.85rem}
.ad-count-t{font-family:"Space Grotesk",sans-serif;font-variant-numeric:tabular-nums}
.ad-card-ft{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px;width:100%}
/* footer mini */
.ad-mini.ad-demo{border-style:solid;flex-wrap:wrap}
.ad-mini-ic{font-size:1.5rem;display:inline-block;animation:adWiggle 3s ease-in-out infinite}
@keyframes adWiggle{0%,80%,100%{transform:rotate(0)}85%{transform:rotate(-14deg)}90%{transform:rotate(12deg)}95%{transform:rotate(-6deg)}}
@media (max-width:820px){
  .ad-app-r{display:grid;margin-top:6px}
  .phone.phone-demo{width:170px;height:270px}
}
@media (max-width:640px){
  .ad-top-in{flex-wrap:wrap;gap:6px 10px}
  .ad-top .ad-tags{order:1}
  .ad-top-x{order:2;margin-left:auto}
  .ad-rot{order:3;flex-basis:100%;height:22px}
  .ad-top .ad-price{order:4;font-size:.68rem}
  .ad-top-cta{order:5;margin-left:auto}
  .ad-rot-t{display:inline}
  .ad-mini-t{flex-basis:calc(100% - 50px)}
}
@media (prefers-reduced-motion:reduce){
  .ad-rot-i{transition:none}
  .ph-track{animation:none}
}

/* SI monogram logo */
.logo b{color:#fff;font-family:"Space Grotesk",system-ui,sans-serif;font-weight:800;font-size:15px;letter-spacing:-.02em;line-height:1}