:root {
  color-scheme: light;
  --navy: #17243a;
  --navy-2: #243552;
  --blue: #0582d7;
  --blue-2: #006bb4;
  --paper: #ffffff;
  --surface: #f4f7fb;
  --text: #172033;
  --muted: #667085;
  --line: #dfe5ee;
  --shadow: 0 18px 45px rgba(18, 35, 61, 0.14);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: #eaf0f7; }
body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Noto Sans", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 5%, rgba(5,130,215,.15), transparent 32rem), linear-gradient(180deg, #edf3f9 0%, #f8fafc 55%, #eef2f7 100%);
}
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { font-family: inherit; }

.page { width: min(100%, 760px); margin: 0 auto; padding: 20px 14px 40px; }
.card-shell { overflow: hidden; background: var(--paper); border: 1px solid rgba(255,255,255,.8); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero {
  position: relative;
  padding: 28px 24px 30px;
  color: #fff;
  background: radial-gradient(circle at 86% 10%, rgba(5,130,215,.13), transparent 22rem), linear-gradient(135deg, rgba(12,27,49,.99), rgba(29,48,76,.98)), var(--navy);
  isolation: isolate;
}
.hero-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.brand-logo-viewport { width: 220px; max-width: 53vw; flex: 0 1 auto; }
.brand-logo { display:block; width:100%; height:auto; object-fit:contain; filter:drop-shadow(0 7px 12px rgba(0,0,0,.10)); pointer-events:none; user-select:none; }
.lang-switch { display: inline-flex; padding: 3px; border-radius: 999px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(8px); }
.lang-btn { min-width: 42px; padding: 7px 9px; border: 0; border-radius: 999px; background: transparent; color: rgba(255,255,255,.72); font-weight: 700; cursor: pointer; }
.lang-btn[aria-pressed="true"] { background: #fff; color: var(--navy); }

.identity {
  position: relative;
  margin-top: 16px;
  padding: 0;
  overflow: visible;
}
.identity-copy { position: relative; z-index: 2; }
h1 {
  margin: 0;
  font-size: clamp(34px, 8vw, 54px);
  line-height: 1.02;
  letter-spacing: -.035em;
}
.name-local {
  margin: 5px 0 0;
  font-size: 24px;
  line-height: 1.12;
  font-weight: 800;
  color: #1e9be8;
}
.company {
  margin: 11px 0 0;
  font-size: 17px;
  line-height: 1.34;
  color: rgba(255,255,255,.92);
}
.division {
  display: block;
  color: rgba(255,255,255,.68);
  font-size: 14px;
  line-height: 1.3;
  margin-top: 3px;
}
.mountain-band {
  display: block;
  width: min(100%, 570px);
  height: auto;
  margin: 9px 0 0;
  opacity: .54;
  pointer-events: none;
  user-select: none;
}

.primary-actions { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-top: 17px; }
.action { display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 11px 14px; border-radius: 14px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.10); color: #fff; text-decoration: none; font-weight: 750; font-size: 15px; cursor: pointer; }
.action.primary { background: var(--blue); border-color: var(--blue); }
.action svg { width: 20px; height: 20px; flex: 0 0 auto; }
.contact-help { margin: 11px 2px 0; color: rgba(255,255,255,.72); font-size: 12px; line-height: 1.55; }
.text-button { border: 0; padding: 0; margin-left: 4px; background: transparent; color: #8dd2ff; font: inherit; font-weight: 750; text-decoration: underline; text-underline-offset: 2px; cursor: pointer; }

.content { padding: 18px 20px 28px; }
.original-section { margin: 0 0 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); overflow: hidden; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 62px; padding: 11px 14px; cursor: pointer; list-style: none; }
.section-head::-webkit-details-marker { display: none; }
.section-title-inline { display: inline-flex; align-items: center; font-size: 17px; font-weight: 800; line-height: 1; }
.section-head-actions { display: inline-flex; align-items: center; gap: 10px; margin-left: auto; }
.download-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 39px; padding: 8px 12px; border: 0; border-radius: 11px; background: var(--navy); color: #fff; font: inherit; font-size: 14px; font-weight: 750; white-space: nowrap; cursor: pointer; }
.download-btn[disabled] { opacity: .64; cursor: progress; }
.details-chevron { width: 10px; height: 10px; border-right: 2px solid #667085; border-bottom: 2px solid #667085; transform: rotate(45deg) translateY(-2px); transition: transform .18s ease; flex: 0 0 auto; }
.original-section[open] .details-chevron { transform: rotate(225deg) translate(-1px,-1px); }
.original-body { padding: 0 14px 14px; border-top: 1px solid var(--line); }
.original-card { width: 100%; height: auto; display: block; margin-top: 14px; border-radius: 13px; border: 1px solid var(--line); background: #fff; -webkit-user-select: auto; user-select: auto; -webkit-touch-callout: default; }

.quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.info-link, .info-box { min-width: 0; border: 1px solid var(--line); border-radius: 15px; background: #fff; padding: 14px; }
.info-link { display: flex; gap: 11px; align-items: center; text-decoration: none; }
.info-link:hover { border-color: #b9c9dd; }
.icon-wrap { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; flex: 0 0 auto; color: var(--blue-2); background: #e9f4fc; }
.icon-wrap svg { width: 20px; height: 20px; }
.info-copy { min-width: 0; }
.info-label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.info-value { display: block; overflow-wrap: anywhere; font-weight: 750; line-height: 1.35; }
.section { margin-top: 20px; }
.section-title { margin: 0 0 9px; font-size: 16px; }
.address-card { border: 1px solid var(--line); border-radius: 16px; padding: 16px; background: var(--surface); }
.address-text { margin: 0; line-height: 1.65; }
.address-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 13px; }
.secondary-btn { border: 1px solid #cbd6e5; background: #fff; color: var(--navy); border-radius: 11px; min-height: 40px; padding: 8px 12px; font-weight: 700; cursor: pointer; }
.footer { text-align: center; padding: 18px 16px 22px; color: var(--muted); font-size: 12px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translate(-50%, 18px); z-index: 60; padding: 11px 16px; border-radius: 999px; background: rgba(17,28,46,.94); color: white; font-size: 14px; opacity: 0; pointer-events: none; transition: .2s ease; }
.toast.show { opacity: 1; transform: translate(-50%,0); }

.helper-sheet[hidden] { display: none; }
.helper-sheet { position: fixed; inset: 0; z-index: 50; display: grid; align-items: end; opacity: 0; transition: opacity .18s ease; }
.helper-sheet.show { opacity: 1; }
.helper-backdrop { position: absolute; inset: 0; border: 0; background: rgba(8,16,29,.55); }
.helper-panel { position: relative; width: min(100%, 620px); margin: 0 auto; padding: 24px 20px calc(20px + env(safe-area-inset-bottom)); border-radius: 22px 22px 0 0; background: #fff; box-shadow: 0 -20px 45px rgba(8,16,29,.22); transform: translateY(22px); transition: transform .18s ease; }
.helper-sheet.show .helper-panel { transform: translateY(0); }
.helper-panel h2 { margin: 0 34px 10px 0; font-size: 21px; }
.helper-panel p { margin: 0; color: #475467; line-height: 1.65; }
.helper-close { position: absolute; top: 13px; right: 14px; width: 34px; height: 34px; border: 0; border-radius: 50%; background: #eef2f7; color: #344054; font-size: 24px; line-height: 1; cursor: pointer; }
.helper-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.helper-primary, .helper-secondary { min-height: 46px; border-radius: 12px; padding: 10px 14px; font-weight: 750; cursor: pointer; }
.helper-primary { border: 0; background: var(--blue); color: #fff; }
.helper-secondary { border: 1px solid #cbd5e1; background: #fff; color: var(--navy); }

@media (max-width: 520px) {
  .page { padding: 0 0 24px; }
  .card-shell { border-radius: 0 0 22px 22px; }
  .hero { padding: 22px 18px 25px; }
  .content { padding: 14px 14px 24px; }
  .hero-top { align-items: center; }
  .brand-logo-viewport { width: 170px; max-width: 50vw; }
  .identity { margin-top: 15px; }
  .mountain-band { width: 100%; margin-top: 8px; }
  .company { margin-top: 10px; }
  .primary-actions, .quick-grid { grid-template-columns: 1fr; }
  .primary-actions { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .action { padding-inline: 9px; font-size: 14px; }
  .section-head { min-height: 58px; padding-inline: 12px; }
  .section-head-actions { gap: 8px; }
  .download-btn { min-height: 37px; padding-inline: 10px; font-size: 13px; }
}

@media (max-width: 380px) {
  .mountain-band { width: 100%; }
  .section-title-inline { font-size: 16px; }
  .download-btn { font-size: 12px; }
  .helper-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }



/* V7 */
.hero{position:relative;overflow:hidden;background:#06233b;isolation:isolate}
.hero::before{
  content:"";position:absolute;z-index:0;left:-12px;top:48px;
  width:min(76%,580px);height:318px;
  background:url("mountain-original-v7.png?v=7") left top/contain no-repeat;
  opacity:.50;pointer-events:none
}
.hero-top,.identity,.primary-actions{position:relative;z-index:2}
.hero-top{align-items:center}
.identity{margin-top:12px;padding:0;min-height:0!important}
.identity-copy{position:relative;z-index:2}
.identity h1{margin:0;font-size:clamp(26px,6vw,34px);line-height:1.02;letter-spacing:-.02em}
.identity .name-local{margin:2px 0 0;font-size:clamp(32px,7.8vw,41px);line-height:1.02;font-weight:900;color:#078adf}
.identity .company{margin:4px 0 0;font-size:clamp(17px,4.1vw,20px);line-height:1.2;color:rgba(255,255,255,.96)}
.division,.mountain-band,.mountain-mark,.contact-help{display:none!important}
.primary-actions{z-index:3;margin-top:17px}
.action{position:relative;z-index:3}
button.action{font:inherit}
@media(max-width:560px){
  .hero::before{left:-14px;top:54px;width:80%;height:292px;opacity:.48}
  .brand-logo-viewport{width:185px;max-width:50vw}
  .identity{margin-top:12px}
  .identity h1{font-size:28px}
  .identity .name-local{font-size:35px}
  .identity .company{margin-top:3px;font-size:18px}
  .primary-actions{margin-top:16px}
}


/* V10 Android Chrome contact QR fallback */
.contact-qr-sheet[hidden]{display:none}
.contact-qr-sheet{position:fixed;inset:0;z-index:120;display:grid;place-items:end center;pointer-events:none}
.contact-qr-sheet.show{pointer-events:auto}
.contact-qr-backdrop{position:absolute;inset:0;border:0;background:rgba(7,18,34,.58);opacity:0;transition:opacity .18s ease}
.contact-qr-sheet.show .contact-qr-backdrop{opacity:1}
.contact-qr-panel{position:relative;width:min(100%,560px);max-height:92vh;overflow:auto;background:#fff;border-radius:24px 24px 0 0;padding:24px 22px calc(24px + env(safe-area-inset-bottom));box-shadow:0 -18px 60px rgba(0,0,0,.22);transform:translateY(24px);opacity:0;transition:transform .18s ease,opacity .18s ease;color:#14243a}
.contact-qr-sheet.show .contact-qr-panel{transform:translateY(0);opacity:1}
.contact-qr-close{position:absolute;right:14px;top:10px;width:42px;height:42px;border:0;border-radius:50%;background:transparent;color:#536174;font-size:30px;line-height:1}
.contact-qr-panel h2{margin:4px 48px 8px 0;font-size:23px;line-height:1.25}
.contact-qr-panel>p{margin:0 0 14px;color:#5d6a7b;line-height:1.55}
.contact-qr-image-link{display:block;width:min(78vw,360px);margin:14px auto 10px;padding:12px;border-radius:18px;background:#fff;border:1px solid #d8e1eb;box-shadow:0 10px 28px rgba(20,36,58,.10)}
.contact-qr-image{display:block;width:100%;height:auto;image-rendering:auto}
.contact-qr-tip{font-size:14px;color:#65758a!important;text-align:center}
.contact-qr-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.contact-qr-primary,.contact-qr-secondary{min-height:48px;border:0;border-radius:14px;font:inherit;font-weight:800}
.contact-qr-primary{background:#0b82d8;color:#fff}.contact-qr-secondary{background:#edf2f7;color:#1d2d43}
@media (min-width:561px){.contact-qr-sheet{place-items:center}.contact-qr-panel{border-radius:24px}}