/* ==========================================================================
   esim.ebiz.tw — global stylesheet
   ========================================================================== */

:root{
  --ink:#0d1b2a;
  --ink-2:#1b2a3d;
  --body:#3d4d61;
  --muted:#6b7a8f;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f5f8fc;
  --bg-deep:#0d1b2a;
  --brand:#1250e0;
  --brand-dark:#0d3bb0;
  --brand-soft:#e8efff;
  --cta:#ff5a1f;
  --cta-dark:#e34400;
  --ok:#0f9d58;
  --star:#ffb703;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(13,27,42,.06),0 2px 8px rgba(13,27,42,.06);
  --shadow-md:0 4px 12px rgba(13,27,42,.08),0 12px 32px rgba(13,27,42,.08);
  --shadow-cta:0 6px 18px rgba(255,90,31,.35);
  --wrap:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang TC","Noto Sans TC","Microsoft JhengHei","Hiragino Sans TC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-wrap:break-word;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .6em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(1.85rem,5.2vw,3.1rem)}
h2{font-size:clamp(1.5rem,3.8vw,2.15rem)}
h3{font-size:clamp(1.1rem,2.4vw,1.3rem)}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.25em}
li{margin-bottom:.45em}
:focus-visible{outline:3px solid var(--cta);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:44px 0}
.center{text-align:center}
.lead{font-size:clamp(1.02rem,2.2vw,1.18rem);color:var(--body)}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section__head{max-width:760px;margin:0 auto 40px}
.section__head p{margin-bottom:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.12rem;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px;border-radius:9px;object-fit:cover}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__links a{
  color:var(--ink-2);font-weight:600;font-size:.94rem;padding:8px 12px;border-radius:8px;
}
.nav__links a:hover{background:var(--bg-soft);text-decoration:none}
.nav__cta{
  background:var(--cta);color:#fff !important;padding:10px 18px !important;border-radius:999px;
  font-weight:700;box-shadow:var(--shadow-cta);
}
.nav__cta:hover{background:var(--cta-dark) !important}
.nav__lang{border:1px solid var(--line);border-radius:999px;padding:7px 14px !important;font-size:.88rem !important}
.nav__toggle{
  display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;
  width:44px;height:40px;cursor:pointer;align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg-deep);color:#e8eef6;overflow:hidden}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:.62}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,27,42,.95) 0%,rgba(13,27,42,.9) 34%,rgba(13,27,42,.7) 56%,rgba(13,27,42,.34) 80%,rgba(13,27,42,.18) 100%);
}
.hero__inner{position:relative;z-index:2;padding:70px 0 78px;max-width:760px}
.hero h1{color:#fff;margin-bottom:18px;text-shadow:0 2px 18px rgba(6,14,24,.55)}
.hero h1 em{font-style:normal;color:#ffb703}
.hero__sub{font-size:clamp(1.03rem,2.4vw,1.22rem);color:#dbe6f2;margin-bottom:26px;text-shadow:0 1px 12px rgba(6,14,24,.7)}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;padding:0;list-style:none}
.hero__badges li{
  display:flex;align-items:center;gap:7px;font-size:.9rem;font-weight:600;color:#dbe6f2;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  padding:7px 14px;border-radius:999px;margin:0;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__note{margin:18px 0 0;font-size:.86rem;color:#b6c6d6;text-shadow:0 1px 10px rgba(6,14,24,.7)}
.rating{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:.9rem;color:#cfdcea;text-shadow:0 1px 10px rgba(6,14,24,.7)}
.rating__stars{color:var(--star);letter-spacing:2px;font-size:1rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:inherit;font-size:1.02rem;font-weight:800;line-height:1.2;
  padding:16px 30px;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  text-align:center;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--cta{background:var(--cta);color:#fff;box-shadow:var(--shadow-cta)}
.btn--cta:hover{background:var(--cta-dark);box-shadow:0 10px 26px rgba(255,90,31,.42)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn--outline:hover{background:var(--brand-soft)}
.btn--block{display:flex;width:100%}
.btn--lg{font-size:1.1rem;padding:18px 38px}

/* ---------- Trust strip ---------- */
.strip{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:22px 0}
.strip__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.strip__num{display:block;font-size:1.45rem;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.strip__lbl{font-size:.85rem;color:var(--muted)}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-sm);
}
.card h3{margin-bottom:.45em}
.card p:last-child{margin-bottom:0}
.card__icon{
  width:48px;height:48px;border-radius:13px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px;
}

/* destination cards */
.dest{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.dest:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.dest__flag{font-size:2.4rem;line-height:1;margin-bottom:12px}
.dest h3{margin-bottom:.35em}
.dest p{font-size:.95rem;color:var(--muted);margin-bottom:18px}
.dest__link{margin-top:auto;font-weight:800;color:var(--brand)}

/* ---------- Steps ---------- */
.steps{list-style:none;padding:0;margin:0;counter-reset:step;display:grid;gap:22px;grid-template-columns:repeat(4,1fr)}
.steps li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 22px 24px;margin:0;box-shadow:var(--shadow-sm);
}
.steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-18px;left:22px;width:38px;height:38px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:800;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(18,80,224,.3);
}
.steps h3{font-size:1.05rem;margin-bottom:.4em}
.steps p{font-size:.94rem;margin-bottom:0;color:var(--muted)}

/* ---------- Table ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:.95rem}
caption{caption-side:bottom;padding:14px 18px;font-size:.85rem;color:var(--muted);text-align:left}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--bg-soft);color:var(--ink);font-weight:800;font-size:.9rem;white-space:nowrap}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody th{font-weight:700;color:var(--ink);white-space:nowrap}
.yes{color:var(--ok);font-weight:700}
.no{color:#c62828;font-weight:700}
.col-hi{background:#fff8f4}

/* ---------- Checklist ---------- */
.check{list-style:none;padding:0;margin:0 0 1.2em}
.check li{position:relative;padding-left:32px;margin-bottom:.7em}
.check li::before{
  content:"";position:absolute;left:0;top:.42em;width:20px;height:20px;border-radius:50%;
  background:var(--ok);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='white'/></svg>") center/16px no-repeat,linear-gradient(#000,#000);
  -webkit-mask-composite:destination-out;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='white'/></svg>") center/16px no-repeat;
}

/* ---------- Callout / CTA band ---------- */
.callout{
  background:linear-gradient(135deg,var(--brand) 0%,#0b2a7a 100%);color:#fff;
  border-radius:var(--radius-lg);padding:44px 36px;text-align:center;
}
.callout h2{color:#fff}
.callout p{color:#d6e2f7;max-width:620px;margin:0 auto 26px}
.band{background:var(--bg-deep);color:#e8eef6;padding:60px 0;text-align:center}
.band h2{color:#fff}
.band p{color:#c1cfdd;max-width:640px;margin:0 auto 26px}

.note{
  background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
  padding:18px 22px;margin:0 0 1.4em;font-size:.96rem;
}
.note p:last-child{margin-bottom:0}
.note strong{color:var(--ink)}

/* ---------- Prose ---------- */
.prose{max-width:800px;margin:0 auto}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose h2:first-child{margin-top:0}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;box-shadow:var(--shadow-sm);
}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 22px;font-weight:700;color:var(--ink);
  position:relative;font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:2.5px solid var(--brand);border-bottom:2.5px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-20%) rotate(225deg)}
.faq details[open] summary{color:var(--brand)}
.faq__body{padding:0 22px 20px;font-size:.98rem}
.faq__body p:last-child{margin-bottom:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-deep);color:#93a6ba;padding:52px 0 30px;font-size:.92rem}
.site-footer a{color:#c9d8e8}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer__grid h4{color:#fff;font-size:.95rem;margin-bottom:.9em}
.footer__grid ul{list-style:none;padding:0;margin:0}
.footer__grid li{margin-bottom:.5em}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.1rem;margin-bottom:12px}
.footer__brand img{width:32px;height:32px;border-radius:8px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:.85rem;line-height:1.7}
.disclosure{background:rgba(255,255,255,.06);border-radius:var(--radius);padding:14px 18px;margin-bottom:20px;font-size:.85rem}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  box-shadow:0 -4px 18px rgba(13,27,42,.12);
}
.sticky-cta .btn{padding:14px 20px;font-size:1rem}

/* ---------- Breadcrumb ---------- */
.crumbs{font-size:.86rem;color:var(--muted);padding:14px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.crumbs li{margin:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:#b9c5d3}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:820px){
  .nav__toggle{display:flex}
  .nav__links{
    display:none;position:absolute;top:64px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 18px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);margin-left:0;
  }
  .nav__links.is-open{display:flex}
  .nav__links a{padding:12px 10px;font-size:1rem}
  .nav__cta{text-align:center;margin-top:8px}
  .nav__lang{text-align:center}
}
@media (max-width:720px){
  body{font-size:16px}
  .section{padding:48px 0}
  .grid--3,.grid--2,.grid--4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:26px}
  .strip__grid{grid-template-columns:repeat(2,1fr);gap:16px 10px}
  .hero__inner{padding:52px 0 60px}
  .hero__bg{opacity:.5;object-position:42% center}
  .hero::after{background:linear-gradient(180deg,rgba(13,27,42,.82) 0%,rgba(13,27,42,.9) 45%,rgba(13,27,42,.94) 100%)}
  .hero__actions .btn{width:100%}
  .callout{padding:34px 22px}
  .sticky-cta{display:block}
  body{padding-bottom:78px}
  .footer__grid{grid-template-columns:1fr}
  .card{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* sticky CTA hide/show (JS-driven) */
.sticky-cta{transition:transform .25s ease}
.sticky-cta.is-hidden{transform:translateY(115%)}