:root{
  --ink:#0f172a;
  --muted:#5b677a;
  --bg:#f6f8fb;
  --line:#e5eaf1;
  --card:#ffffff;
  --dark:#0b1320;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{width:min(1160px,calc(100% - 40px));margin:auto}
.proposal{background:var(--accent);color:#fff;text-align:center;font-size:13px;padding:8px 15px;letter-spacing:.06em}
.nav{height:78px;display:flex;align-items:center;background:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(15,23,42,.08)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center}
.brand b{display:block;font-size:24px;letter-spacing:.03em;line-height:1.1}
.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.14em;margin-top:4px}
.menu{display:flex;gap:28px;align-items:center;font-size:14px}
.menu a{color:#334155}
.menu a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:13px 20px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.2s;color:#fff}
.btn-primary{background:var(--accent);color:#fff !important;box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 18%, transparent)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.26);background:rgba(255,255,255,.06);color:#fff !important}
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;background:var(--dark)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,10,19,.92) 0%,rgba(4,10,19,.82) 40%,rgba(4,10,19,.25) 78%,rgba(4,10,19,.08) 100%)}
.hero .wrap{position:relative;z-index:2;color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:900;letter-spacing:.16em;color:#dbe6f5;margin-bottom:18px;text-transform:uppercase}
.eyebrow:before{content:"";width:34px;height:2px;background:var(--accent)}
h1{font-size:clamp(36px,5vw,64px);line-height:1.12;letter-spacing:-.03em;margin:0 0 18px;max-width:760px}
.hero p{font-size:18px;color:#d3dbea;max-width:700px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 0;background:#fff;border-bottom:1px solid var(--line)}
.trust>div{padding:0 4px;text-align:center;border-right:1px solid var(--line)}
.trust>div:last-child{border-right:0}
.trust b{display:block;font-size:19px;line-height:1.3;margin-bottom:4px}
.trust span{display:block;color:var(--muted);font-size:13px}
.section{padding:92px 0}
.section.soft{background:var(--bg)}
.section.dark{background:linear-gradient(180deg,#0a1320 0%,#09111c 100%);color:#fff}
.kicker{color:var(--accent);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
.title{font-size:clamp(28px,3.3vw,46px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.02em}
.desc{color:var(--muted);max-width:820px;font-size:17px;margin:0 0 36px}
.dark .desc{color:#aeb9c9}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:10px;padding:26px;box-shadow:0 14px 30px rgba(15,23,42,.04)}
.card .num{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%, white);color:var(--accent);font-weight:900;margin-bottom:18px}
.card h3{font-size:19px;line-height:1.35;margin:0 0 10px}
.card p{color:var(--muted);font-size:14px;margin:0}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cap{display:grid;grid-template-columns:60px 1fr;gap:16px;align-items:flex-start;padding:24px;border:1px solid var(--line);border-radius:10px;background:#fff}
.cap-icon{width:48px;height:48px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%, white);display:flex;align-items:center;justify-content:center;color:var(--accent);font-weight:900;border:1px solid color-mix(in srgb,var(--accent) 22%, white)}
.cap h3{margin:0 0 6px;font-size:19px}
.cap p{margin:0;color:var(--muted)}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:36px}
.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px 20px;position:relative}
.step:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent)}
.step b{display:block;color:var(--accent);font-size:12px;letter-spacing:.08em;margin-bottom:8px}
.step h3{margin:0 0 8px;font-size:18px;line-height:1.35}
.step p{margin:0;color:var(--muted);font-size:13px}
.consult{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.contact{display:flex;flex-direction:column;align-items:flex-start;gap:16px;margin-top:26px}
.contact div{width:100%;max-width:470px;text-align:left;background:rgba(255,255,255,.04);border-left:3px solid var(--accent);padding:6px 0 6px 14px}
.contact small{display:block;color:#8ea0b7;margin-bottom:4px}
.contact b{display:block;text-align:left;line-height:1.45;font-size:18px;color:#fff}
.demo-note{margin-top:22px;padding:16px 18px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);font-size:13px;color:#c3cfdf}
.panel{background:#fff;border-radius:12px;padding:30px;color:var(--ink);box-shadow:0 26px 60px rgba(0,0,0,.18)}
.progress{height:6px;background:#edf1f6;border-radius:99px;overflow:hidden;margin-bottom:24px}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));width:25%;transition:.25s}
.qstep{display:none}.qstep.active{display:block}
.qstep h3{font-size:22px;margin:0 0 18px;line-height:1.35}
.choice{display:block;border:1px solid #dfe5ec;padding:14px 14px;border-radius:8px;margin:10px 0;cursor:pointer;background:#fff}
.choice:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 4%, white)}
.choice input{margin-right:8px}
.field{margin:12px 0}
.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;border:1px solid #dfe5ec;border-radius:8px;padding:12px 13px;font:inherit}
.field textarea{min-height:110px;resize:vertical}
.panel-actions{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.mini{font-size:12px;color:#7b8798;margin-top:12px}
.casebar{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.casebar b{font-size:18px}
.casebar span{color:var(--muted);font-size:14px}
.casebar a{color:var(--accent);font-weight:900}
.footer{padding:34px 0;background:#050a11;color:#9aa5b7;font-size:13px}
.footer .wrap{display:flex;justify-content:space-between;gap:20px}
.mobile-cta{display:none}
@media(max-width:900px){
  .menu a:not(.navcta){display:none}
  .hero{min-height:580px}
  .hero:after{background:linear-gradient(90deg,rgba(4,10,19,.92),rgba(4,10,19,.64))}
  .trust{grid-template-columns:1fr 1fr;gap:0;padding:0}
  .trust>div{padding:22px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .grid4{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .cap-grid{grid-template-columns:1fr}
  .consult{grid-template-columns:1fr}
  .footer .wrap{flex-direction:column}
  .mobile-cta{display:flex;position:fixed;bottom:14px;left:14px;right:14px;z-index:30}
  .mobile-cta .btn{width:100%;box-shadow:0 12px 30px rgba(0,0,0,.22)}
}
@media(max-width:600px){
  .wrap{width:min(100% - 26px,1160px)}
  .nav{height:68px}
  .brand b{font-size:18px}
  .brand small{display:none}
  .hero{min-height:540px}
  .hero p{font-size:16px}
  .hero-actions .btn{width:100%}
  .section{padding:66px 0}
  .grid4,.flow{grid-template-columns:1fr}
  .card,.panel{padding:22px}
  .casebar{align-items:flex-start;flex-direction:column}
  .proposal{font-size:11px}
  .contact div{max-width:none}
}