@font-face {
  font-family: "LINE Seed Sans TW";
  src: url("../fonts/LINESeedTW_OTF_Rg.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed Sans TW";
  src: url("../fonts/LINESeedTW_OTF_Bd.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed Sans TW";
  src: url("../fonts/LINESeedTW_OTF_Ed.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-sans: "LINE Seed Sans TW", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;

  --bg: #f6f7f8;
  --panel: #ffffff;
  --panel-soft: #f9fafb;
  --text: #121417;
  --muted: #626973;
  --line: #e2e5e8;
  --line-dark: #d5dade;

  --accent: #dfe9e7;
  --accent-strong: #35534f;
  --accent-soft: #eef5f3;

  --radius: 24px;
  --radius-sm: 16px;
  --shadow: 0 18px 42px rgba(18, 20, 23, .055);

  --site-max: 1120px;
  --site-padding: 24px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 14px;
}

section[id] {
  scroll-margin-top: 14px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(223, 233, 231, .75), transparent 28%),
    linear-gradient(180deg, #fbfcfd 0%, var(--bg) 52%, #fff 100%);
  line-height: 1.7;
  letter-spacing: .005em;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--site-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--site-padding);
  padding-right: var(--site-padding);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(246, 247, 248, .86);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(18, 20, 23, .06);
}

.nav-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 42px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .76);
  color: var(--accent-strong);
  font-size: 13px;
  margin-bottom: 20px;
  font-weight: 700;
}

.dot,
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-strong);
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.12;
  letter-spacing: -.04em;
  font-weight: 800;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.03em;
  font-weight: 800;
  text-wrap: balance;
}

h3 {
  font-weight: 800;
}

p {
  color: var(--muted);
}

ul,
ol {
  color: var(--muted);
}

li {
  margin: 8px 0;
}

.lead {
  font-size: 18px;
  color: var(--muted);
}

.nowrap {
  white-space: nowrap;
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--text);
  font-weight: 700;
  font-size: 15px;
  transition: .16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--text);
  color: #fff;
}

.btn.secondary {
  background: #fff;
  border-color: var(--line-dark);
}

.btn.secondary:hover {
  background: var(--accent-soft);
}

.kicker {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 8px;
}

.card {
  background: rgba(255, 255, 255, .9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 44px;
  color: var(--muted);
  font-size: 14px;
  background: #fff;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 920px) {
  :root {
    --site-padding: 28px;
    --header-height: 68px;
  }

  html {
    scroll-padding-top: 84px;
  }

  section[id] {
    scroll-margin-top: 84px;
  }

  .nav-links {
    display: none;
  }

  .brand img {
    height: 40px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    display: block;
  }

  .links {
    margin-top: 16px;
  }
}

@media (max-width: 600px) {
  :root {
    --site-padding: 22px;
    --header-height: 64px;
  }

  html {
    scroll-padding-top: 80px;
  }

  section[id] {
    scroll-margin-top: 80px;
  }

  .brand img {
    height: 38px;
  }

  h1 {
    font-size: 40px;
    letter-spacing: -.035em;
  }

  h2 {
    font-size: 30px;
    line-height: 1.22;
  }

  .lead {
    font-size: 18px;
    line-height: 1.75;
  }

  .btn {
    min-height: 46px;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 430px) {
  :root {
    --site-padding: 20px;
  }

  h1 {
    font-size: 37px;
  }

  .eyebrow {
    font-size: 13px;
    padding: 7px 11px;
  }

  .lead {
    font-size: 17px;
  }
}