:root{
  --green:#7FD121; --green-dark:#6AB91A; --blue:#2196F3; --blue-dark:#1769aa;
  --line:#06C755; --line-dark:#05a847; --ink:#1a2333; --muted:#5b6474;
  --bg:#ffffff; --bg-soft:#f5f9f2; --bg-blue:#eff6ff; --border:#e5e7eb;
  --radius:14px; --shadow:0 6px 24px rgba(26,35,51,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Open Sans','Noto Sans TC',sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
img{max-width:100%;height:auto}
a{color:var(--blue-dark)}
h1,h2,h3{line-height:1.25;font-weight:800}
h1{font-size:clamp(1.7rem,4vw,2.6rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.35rem,3vw,1.9rem);margin:0 0 .6em}
h3{font-size:1.12rem;margin:0 0 .4em}
p{margin:.55em 0}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.center{text-align:center}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}

/* header */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:50}
.header-in{display:flex;align-items:center;gap:18px;padding:10px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:1.02rem}
.brand img{border-radius:50%}
.nav{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto}
.nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--green-dark)}
.lang{margin-left:8px;border:1.5px solid var(--border);border-radius:999px;padding:5px 14px;text-decoration:none;font-weight:700;color:var(--blue-dark);font-size:.9rem}

/* hero */
.hero{background:linear-gradient(135deg,#7FD121 0%,#2196F3 60%,#e8f4ff 100%);color:#fff;padding:64px 0 72px}
.hero .eyebrow{font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-size:.85rem;opacity:.95}
.hero h1{color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.18)}
.hero p.lead{font-size:1.15rem;max-width:640px;text-shadow:0 1px 6px rgba(0,0,0,.15)}
/* badges are informational chips — deliberately smaller and flatter than buttons
   so the hero reads as two component types, not "buttons in three sizes" */
.hero-badges{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 22px}
.hero-badges span{display:inline-flex;align-items:center;height:32px;background:rgba(255,255,255,.85);color:var(--ink);border-radius:8px;padding:0 12px;font-weight:600;font-size:.82rem}

/* buttons — every variant carries the same 2px border (transparent on solid fills)
   so all buttons render at identical height regardless of style. */
.btn{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;border:2px solid transparent;border-radius:999px;padding:0 16px;width:250px;max-width:100%;height:52px;min-height:52px;max-height:52px;font-weight:800;text-decoration:none;font-size:16px;line-height:1.2;white-space:nowrap;margin:4px 6px 4px 0}
.btn-line{background:var(--line);color:#fff;border-color:var(--line)}
.btn-line:hover{background:var(--line-dark);border-color:var(--line-dark)}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--green)}

/* sections */
.section{padding:52px 0}
.section.alt{background:var(--bg-soft)}
.section.blue{background:var(--bg-blue)}
.kicker{color:var(--green-dark);font-weight:800;text-transform:uppercase;letter-spacing:.06em;font-size:.82rem;margin:0 0 6px}

/* cards */
.grid{display:grid;gap:20px}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{color:var(--ink)}
.card ul{padding-left:20px;margin:.4em 0}
.card li{margin:.3em 0}
.card .price-note{color:var(--muted);font-size:.88rem}
/* Cards in a grid: equal height, with the final element (button/link) pinned to the bottom
   so CTAs align across the row no matter how much text sits above them. */
.grid>.card{display:flex;flex-direction:column}
.grid>.card>p:last-child{margin-top:auto;padding-top:10px;margin-bottom:0}

/* stats — auto-fit with a 180px floor: 4 stats in a half-width column settle into a balanced 2×2,
   3 stats at full width settle into an even row of 3. grid-auto-rows keeps rows equal height. */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-auto-rows:1fr;gap:16px;text-align:center}
.stat{background:#fff;border-radius:var(--radius);padding:20px 14px;border:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center;gap:4px}
.stat b{display:block;font-size:1.9rem;line-height:1.15;color:var(--green-dark)}
.stat span{color:var(--muted);font-size:.92rem;line-height:1.35}
@media (max-width:420px){.stats{grid-template-columns:repeat(2,1fr)}}

/* testimonials */
.quote{background:#fff;border-left:5px solid var(--green);border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px;box-shadow:var(--shadow)}
.quote footer{color:var(--muted);font-size:.9rem;margin-top:8px}

/* checklists */
.check{list-style:none;padding:0}
.check li{padding-left:30px;position:relative;margin:.5em 0}
.check li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green-dark);font-weight:800;font-size:1.05rem}

/* tables */
table{border-collapse:collapse;width:100%;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
th,td{border:1px solid var(--border);padding:10px 14px;text-align:left;font-size:.95rem}
th{background:var(--bg-soft)}

/* faq */
details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin:10px 0}
summary{font-weight:700;cursor:pointer}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--green) 0%,var(--blue) 100%);color:#fff;text-align:center;padding:52px 0;margin-top:30px}
.cta-band h2{color:#fff}
.cta-band p{max-width:640px;margin:.5em auto}

/* footer */
.site-footer{background:#12203a;color:#cfd8ea;padding:44px 0 18px;font-size:.94rem}
.foot-grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.site-footer h3{color:#fff;font-size:1rem}
.site-footer a{color:#9fd3ff;text-decoration:none;display:inline-block;margin:2px 12px 2px 0}
.site-footer a:hover{text-decoration:underline}
.copyright{text-align:center;color:#8fa0bd;margin-top:26px;font-size:.85rem}

/* breadcrumbs-ish subpage hero */
.page-hero{background:linear-gradient(135deg,var(--bg-soft),var(--bg-blue));padding:44px 0 36px}
.page-hero h1{margin-bottom:.2em}
.page-hero .lead{color:var(--muted);font-size:1.08rem;max-width:720px}

@media (max-width:720px){
  .nav{gap:10px;font-size:.9rem}
  .hero{padding:44px 0 52px}
}