@font-face {
  font-family: 'jf-openhuninn';
  src: url('https://media.beein.app/fonts/jf-openhuninn-2.1.woff2') format('woff2');
  font-display: swap;
}
:root { --ink: #182923; --muted: #52645c; --line: #dbe4df; --yellow: #ffcc24; --green: #166649; }
* { box-sizing: border-box; margin: 0; padding: 0; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { background: #fff; color: var(--ink); font: 16px/1.7 'jf-openhuninn', 'Inter', 'Noto Sans TC', sans-serif; }
a { color: inherit; }
button { font: inherit; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; }
.skip-link { position: absolute; top: -80px; left: 16px; z-index: 200; background: #fff; padding: 12px; }
.skip-link:focus { top: 12px; }
nav { position: sticky; top: 0; z-index: 100; height: 76px; padding: 0 max(24px, calc((100% - 1200px)/2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; background: #fff; border-bottom: 1px solid var(--line); }
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.nav-brand img { width: 40px; height: 40px; border-radius: 8px; }
.nav-brand span { font-size: 24px; font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 14px; text-decoration: none; white-space: nowrap; }
.nav-links a:hover { color: var(--green); }
.nav-cta { padding: 8px 18px; background: var(--ink); color: #fff !important; border-radius: 6px; }
#beein-lang-switcher { margin-left: 0 !important; }
#beein-lang-switcher button { opacity: .65 !important; border-color: var(--line) !important; padding: 6px !important; }
#beein-lang-switcher button.active { opacity: 1 !important; border-color: var(--green) !important; }
.hero { position: relative; text-align: center; padding: 354px 24px 28px; background: #fff url('/assets/hero-20261004-white.webp') center -30px / 980px auto no-repeat; }
.hero-content { position: relative; max-width: 820px; margin: auto; }
.hero h1 { font-size: 56px; font-weight: 800; line-height: 1.2; }
.hero h1 [data-i18n] { font-size: 40px; }
.tagline { margin-top: 12px; font-size: 22px; line-height: 1.45; }
.tagline em { font-style: normal; }
.desc { max-width: 690px; margin: 12px auto 20px; font-size: 15px; color: var(--muted); }
.hero-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.btn-dl { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 11px 22px; border-radius: 6px; font-size: 15px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); transition: background .15s, border-color .15s; }
.btn-dl svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn-dl.primary { background: var(--yellow); border-color: var(--yellow); color: #182923; }
.btn-dl.secondary { background: #fff; }
.btn-dl:hover { background: #edf5f0; border-color: var(--green); }
.btn-dl.primary:hover { background: #f3c018; }
.windows-download { position: relative; display: inline-flex; align-items: stretch; border: 1px solid var(--line); border-radius: 6px; background: #fff; transition: background .15s, border-color .15s; }
.windows-download > .btn-dl { border: 0; border-radius: 5px; background: transparent; }
.windows-download.has-exe > .btn-dl { border-radius: 5px 0 0 5px; }
.windows-download:hover, .windows-download:focus-within { border-color: var(--green); background: #edf5f0; }
.windows-toggle { width: 44px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; color: #182923; background: transparent; border: 0; border-left: 1px solid var(--line); border-radius: 0 5px 5px 0; cursor: pointer; flex-shrink: 0; }
.windows-toggle svg { width: 18px; height: 18px; }
.windows-toggle:hover { background: #edf5f0; }
.windows-menu { position: absolute; top: calc(100% + 6px); right: 0; z-index: 110; min-width: 100%; padding: 6px; border: 1px solid var(--line); border-radius: 6px; background: #fff; box-shadow: 0 4px 12px #18292320; text-align: left; }
.windows-menu a { display: block; white-space: nowrap; padding: 10px 14px; color: #182923; text-decoration: none; font-size: 15px; }
.windows-menu a:hover { background: #edf5f0; }
.windows-toggle:focus-visible, .windows-menu a:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
.hero .btn-dl:nth-child(n+3) { display: none; }
.features, .security, .about, .trust, .cta { padding: 72px max(24px, calc((100% - 1120px)/2)); }
.section-title { font-size: 34px; line-height: 1.35; font-weight: 700; }
.section-sub { color: var(--muted); margin-top: 12px; margin-bottom: 40px; max-width: 780px; }
.features { border-top: 1px solid var(--line); padding-top: 48px; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; row-gap: 36px; }
.fcard { border-top: 1px solid var(--line); padding: 24px 0 0; }
.fcard-icon { color: var(--green); margin-bottom: 16px; height: 28px; }
.fcard-icon svg { width: 28px; height: 28px; }
.fcard h3 { font-size: 20px; line-height: 1.4; margin-bottom: 12px; }
.fcard p { color: var(--muted); font-size: 15px; line-height: 1.85; }
.security { background: #f5f7f6; }
.security-note { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); max-width: 980px; }
.about { background: #eaf4ed; }
.about-content { max-width: 880px; font-size: 18px; line-height: 1.9; }
.about-content p + p { margin-top: 24px; }
.company { font-weight: 700; color: var(--green); }
.trust { background: #f5f7f6; }
.trust-box { max-width: 880px; }
.trust-box h3 { font-size: 28px; margin-bottom: 20px; }
.trust-box p { color: var(--muted); margin-bottom: 14px; }
.trust-box strong { color: var(--ink); }
.cta { background: #ffda4f; text-align: center; }
.cta-box { max-width: 1000px; margin: auto; }
.cta-box h2 { font-size: 36px; line-height: 1.3; }
.cta-box p { margin: 16px 0 30px; }
.cta .btn-dl { border-color: #ac8e28; }
.cta .btn-dl.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
footer { padding: 40px 24px; text-align: center; background: #fff; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin-bottom: 24px; }
.footer-links a { text-decoration: none; color: var(--ink); }
.footer-copy { margin-top: 10px; }
@media (max-width: 900px) {
  .nav-links { gap: 16px; }
  .nav-links > a:not(.nav-cta) { display: none; }
  .features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 80px; }
  nav { height: 68px; padding: 0 16px; gap: 12px; }
  .nav-brand span { font-size: 21px; }
  .nav-brand img { width: 34px; height: 34px; }
  .nav-links { gap: 10px; }
  .nav-cta { padding: 7px 10px; font-size: 13px !important; }
  #beein-lang-switcher { gap: 4px !important; }
  #beein-lang-switcher img { width: 20px !important; height: 14px !important; }
  #beein-lang-switcher button { padding: 5px !important; }
  .hero { padding: 278px 24px 36px; min-height: 0; background-size: 760px auto; background-position: center -30px; }
  .hero h1 { font-size: 44px; }
  .hero h1 [data-i18n] { font-size: 29px; }
  .tagline { font-size: 20px; margin-top: 10px; }
  .desc { font-size: 14px; margin: 14px auto 22px; }
  .hero-buttons { gap: 10px; }
  .hero .btn-dl { min-width: 138px; padding: 10px 14px; font-size: 14px; }
  .features, .security, .about, .trust, .cta { padding: 44px 24px; }
  .section-title { font-size: 28px; }
  .section-sub { font-size: 15px; margin-bottom: 28px; }
  .features-grid { grid-template-columns: 1fr; gap: 24px; }
  .fcard { padding-top: 20px; }
  .about-content { font-size: 16px; }
  .trust-box h3 { font-size: 24px; }
  .cta-box h2 { font-size: 28px; }
  .cta .btn-dl { flex: 1 1 140px; }
}
@media (max-width: 360px) {
  .nav-cta { display: none; }
  .hero { padding-left: 18px; padding-right: 18px; }
  .hero .btn-dl { min-width: 0; flex: 1; padding: 10px; gap: 8px; font-size: 13px; white-space: nowrap; }
}
@media (max-height: 760px) and (min-width: 601px) {
  .hero { padding-top: 254px; padding-bottom: 30px; background-size: 720px auto; background-position: center -30px; }
  .hero h1 { font-size: 48px; }
  .tagline { font-size: 22px; }
}
@media (max-height: 650px) and (min-width: 601px) {
  .hero { padding-top: 200px; padding-bottom: 30px; background-size: 580px auto; background-position: center -30px; }
  .hero h1 { font-size: 40px; }
  .tagline { font-size: 20px; }
}
@media (max-height: 740px) and (max-width: 600px) {
  .hero { padding-top: 212px; padding-bottom: 28px; background-size: 600px auto; }
  .hero h1 { font-size: 38px; }
  .tagline { font-size: 18px; }
  .desc { margin: 12px auto 18px; font-size: 13px; }
}
@media (max-height: 620px) and (max-width: 600px) {
  .hero { padding-top: 166px; padding-bottom: 24px; background-size: 480px auto; }
  .hero h1 { font-size: 36px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn-dl { transition: none; } }