:root{
  --ink:#12232e;
  --ink-2:#3d5566;
  --teal:#0f6f6c;
  --teal-d:#0a5350;
  --teal-l:#e8f3f2;
  --sand:#f7f4ef;
  --line:#d9e2e2;
  --white:#fff;
  --radius:14px;
  --shadow:0 1px 2px rgba(18,35,46,.05),0 8px 24px rgba(18,35,46,.07);
  --wrap:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI","PingFang HK","Microsoft JhengHei","Noto Sans TC","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:17px;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--white);padding:10px 14px;border-radius:8px;z-index:99}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none!important}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.02rem;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:.8rem;color:var(--ink-2);letter-spacing:.04em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.nav a{font-size:.95rem;color:var(--ink-2)}
.nav a:hover{color:var(--teal-d)}
.lang-btn{border:1px solid var(--line);background:var(--white);color:var(--teal-d);font:inherit;font-size:.875rem;font-weight:600;padding:8px 13px;border-radius:999px;cursor:pointer;text-decoration:none!important;display:inline-flex;align-items:center;justify-content:center;min-height:36px}
.lang-btn:hover{background:var(--teal-l);text-decoration:none!important}

/* hero */
.hero{background:linear-gradient(170deg,var(--teal-l) 0%,#fbfdfd 62%);border-bottom:1px solid var(--line);padding:58px 0 54px}
.hero-inner{display:grid;grid-template-columns:1.35fr .85fr;gap:38px;align-items:start}
.eyebrow{margin:0 0 12px;font-size:.875rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
h1{margin:0 0 16px;font-size:2.3rem;line-height:1.28;letter-spacing:-.01em}
.lead{margin:0 0 26px;color:var(--ink-2);font-size:1.05rem;max-width:60ch}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:600;font-size:.98rem;text-decoration:none!important;transition:transform .12s ease,box-shadow .12s ease}
.btn-primary{background:var(--teal);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--teal-d);transform:translateY(-1px)}
.btn-ghost{border:1.5px solid var(--teal);color:var(--teal-d);background:var(--white)}
.btn-ghost:hover{background:var(--teal-l)}
.trust{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.trust li{position:relative;padding-left:26px;font-size:.94rem;color:var(--ink-2)}
.trust li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:7px;border-left:2.5px solid var(--teal);border-bottom:2.5px solid var(--teal);transform:rotate(-45deg)}
.hero-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow)}
.hero-card h2{margin:0 0 14px;font-size:1.05rem;letter-spacing:.02em}
.hero-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 16px}
.hero-card dt{font-size:.875rem;color:var(--ink-2);text-transform:uppercase;letter-spacing:.06em;padding-top:.25em}
.hero-card dd{margin:0 0 8px;font-size:.96rem}

/* sections */
.section{padding:62px 0}
.section.alt{background:var(--sand)}
.section-title{margin:0 0 10px;font-size:1.6rem;letter-spacing:-.01em}
.section-note{margin:0 0 30px;color:var(--ink-2);font-size:.95rem;max-width:70ch}
.sub{margin:34px 0 14px;font-size:1.12rem}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:0 1px 2px rgba(18,35,46,.04)}
.card h3{margin:0 0 8px;font-size:1.04rem;color:var(--teal-d)}
.card p{margin:0;font-size:.94rem;color:var(--ink-2)}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;position:relative}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--teal);color:#fff;font-weight:700;font-size:.95rem;margin-bottom:12px}
.steps h3{margin:0 0 8px;font-size:1.02rem}
.steps p{margin:0;font-size:.93rem;color:var(--ink-2)}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
table.info{width:100%;border-collapse:collapse;font-size:.96rem;min-width:520px}
table.info th,table.info td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);vertical-align:top}
table.info tr:last-child th,table.info tr:last-child td{border-bottom:0}
table.info th{width:190px;color:var(--ink-2);font-weight:600;background:#fafcfc}
.source{margin:16px 0 0;font-size:.875rem;color:var(--ink-2)}

/* faq */
.faq{display:grid;gap:12px;max-width:60rem}
details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:4px 20px}
details[open]{box-shadow:var(--shadow)}
summary{cursor:pointer;padding:16px 0;font-weight:600;font-size:1rem;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--teal);font-weight:700}
details[open] summary::after{content:"–"}
details p{margin:0 0 18px;color:var(--ink-2);font-size:.95rem}

/* contact */
.contact-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:start}
.contact-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.contact-list li{display:flex;gap:14px;flex-wrap:wrap;font-size:.98rem}
.contact-list strong{min-width:96px;color:var(--ink-2);font-weight:600;font-size:.88rem;text-transform:uppercase;letter-spacing:.05em;padding-top:.18em}
.hours{font-size:.9rem;color:var(--ink-2)}
.map-card{background:var(--teal-l);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;text-align:center}
.map-link{display:inline-block;padding:12px 22px;border-radius:999px;background:var(--teal);color:#fff;font-weight:600;text-decoration:none!important}
.map-link:hover{background:var(--teal-d)}
.addr{margin:16px 0 0;color:var(--ink-2);font-size:.94rem}

/* footer */
.site-footer{background:var(--ink);color:#cfe0e0;padding:32px 0;margin-top:8px}
.site-footer{padding-bottom:calc(32px + env(safe-area-inset-bottom,0px))}
.footer-inner p{margin:0 0 6px;font-size:.92rem}
.site-footer strong{color:#fff}
.fine{color:#96b2b2;font-size:.875rem}

/* responsive */
@media (max-width:900px){
  .hero-inner,.contact-inner{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  h1{font-size:1.95rem}
}
@media (max-width:620px){
  body{font-size:16px}
  .header-inner{min-height:0;padding:24px 22px 16px;row-gap:12px}
  /* iPhone: content runs under the status bar, so add the notch/status-bar inset.
     Falls back to 24px on browsers that don't support env() — the calc() declaration
     is simply dropped when env() is unsupported. */
  .header-inner{padding-top:calc(24px + env(safe-area-inset-top,0px));
                 padding-left:calc(22px + env(safe-area-inset-left,0px));
                 padding-right:calc(22px + env(safe-area-inset-right,0px))}
  .nav{gap:14px}
  .nav a{font-size:.9rem;padding:11px 0}          /* ≥44px tall touch targets, no extra width */
  .lang-btn{min-height:44px;padding:10px 15px}
  .contact-list li a{display:inline-block;padding:10px 0}
  .hero-card dd a{display:inline-block;padding:9px 0}
  .info td a{display:inline-block;padding:10px 0}
  .brand{padding:2px 0}
  .cards,.steps{grid-template-columns:1fr}
  .section{padding:46px 0}
  h1{font-size:1.7rem}
  .hero{padding:40px 0}
  table.info th{width:130px}
}
@media print{
  .site-header,.cta-row,.map-card{display:none}
}