:root {
  --color-primary: #4A6FE3;
  --color-primary-dark: #2C4DB8;
  --color-primary-light: #7A95EB;
  --color-accent: #E8B450;
  --color-text: #F5F5F5;
  --color-text-light: #B8C5D6;
  --color-text-muted: #6B7A8F;
  --color-bg: #0D1B3D;
  --color-bg-light: #16264F;
  --color-bg-soft: #1F3163;
  --color-border: rgba(74, 111, 227, 0.18);
  --color-border-light: rgba(255, 255, 255, 0.06);
  --shadow-glow: 0 8px 24px rgba(74, 111, 227, 0.15);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

img {
  display: block;
  max-width: 100%;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(13, 27, 61, 0.88);
  border-bottom: 1px solid var(--color-border-light);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header__logo,
.site-nav,
.site-footer__contact,
.site-footer__brand {
  display: flex;
  align-items: center;
}

.site-header__logo {
  gap: 12px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0;
}

.logo-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  overflow: hidden;
  flex: 0 0 auto;
}

.logo-frame--header {
  width: 48px;
  height: 48px;
}

.logo-frame--footer {
  width: 64px;
  height: 64px;
}

.site-nav {
  gap: 8px;
  color: var(--color-text-light);
  font-size: 15px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-text);
  background: rgba(74, 111, 227, 0.16);
}

.hero {
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%, rgba(74, 111, 227, 0.12), transparent 70%),
    linear-gradient(180deg, #0D1B3D 0%, #16264F 100%);
  overflow: hidden;
}

.hero__grid {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: 56px;
  padding: 80px 0 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.hero__lead {
  max-width: 570px;
  margin-bottom: 28px;
  color: var(--color-text-light);
  font-size: clamp(18px, 2.2vw, 22px);
}

.company-card {
  max-width: 520px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: var(--shadow-glow);
}

.company-card span {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text-muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.company-card strong {
  display: block;
  color: var(--color-text);
  font-size: 18px;
  line-height: 1.45;
}

.hero__media,
.cta-banner__image,
.about-intro__image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28), var(--shadow-glow);
}

.hero__media {
  aspect-ratio: 16 / 11;
}

.hero__media img,
.cta-banner__image img,
.about-intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-band {
  padding: 88px 0;
  background: var(--color-bg);
}

.section-band--alt {
  background: var(--color-bg-light);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.stats__item {
  padding: 30px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  text-align: center;
}

.stats__value {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1;
}

.stats__item span {
  color: var(--color-text-light);
  font-weight: 700;
}

.section-heading {
  max-width: 620px;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card,
.advantage-card,
.about-card {
  background: rgba(13, 27, 61, 0.45);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover,
.advantage-card:hover,
.about-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.feature-card {
  min-height: 254px;
  padding: 28px;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: var(--color-primary-light);
  background: rgba(74, 111, 227, 0.12);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-weight: 900;
}

.feature-card p,
.advantage-card p,
.about-card p,
.cta-banner__content p,
.privacy p {
  color: var(--color-text-light);
}

.cta-banner__grid,
.about-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: 42px;
}

.cta-banner__content {
  padding-right: 12px;
}

.cta-banner__content p {
  max-width: 560px;
  font-size: 18px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 10px;
  padding: 0 22px;
  color: #071434;
  background: var(--color-accent);
  border-radius: 8px;
  font-weight: 800;
  transition: transform 0.2s, box-shadow 0.2s;
}

.button-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(232, 180, 80, 0.2);
}

.cta-banner__image {
  aspect-ratio: 16 / 10;
}

.page-hero {
  padding: 108px 0 82px;
  text-align: center;
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%, rgba(74, 111, 227, 0.12), transparent 70%),
    linear-gradient(180deg, #0D1B3D 0%, #16264F 100%);
}

.page-hero h1 {
  margin-bottom: 14px;
}

.page-hero p:not(.eyebrow) {
  width: min(760px, 100%);
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 19px;
}

.about-intro__grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(390px, 1.05fr);
}

.about-card {
  padding: 34px;
}

.about-intro__image {
  aspect-ratio: 4 / 3;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.advantage-card {
  min-height: 228px;
  padding: 26px 22px;
}

.advantage-card__icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  color: var(--color-accent);
  background: rgba(232, 180, 80, 0.08);
  border: 1px solid rgba(232, 180, 80, 0.18);
  border-radius: 12px;
  font-size: 20px;
}

.privacy {
  background: var(--color-bg);
}

.privacy__list {
  max-width: 980px;
}

.privacy__section--card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 32px;
  background: var(--color-bg-light);
  border-radius: 16px;
  border: 1px solid var(--color-border-light);
  margin-bottom: 16px;
  transition: all 0.2s;
}

.privacy__section--card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(74, 111, 227, 0.15);
}

.privacy__number {
  font-size: 48px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.privacy h2 {
  margin-bottom: 10px;
  font-size: 26px;
}

.privacy p {
  margin-bottom: 0;
}

.privacy-contact {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 18px;
  color: var(--color-text-light);
  background: rgba(13, 27, 61, 0.45);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
}

.privacy-contact strong {
  color: var(--color-text);
}

.site-footer {
  background: #08142f;
  border-top: 1px solid var(--color-border-light);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  padding: 48px 0 30px;
}

.site-footer__brand {
  align-items: flex-start;
  flex-direction: column;
  gap: 14px;
}

.site-footer__brand h2 {
  max-width: 620px;
  margin: 0;
  font-size: 22px;
}

.site-footer__brand p {
  margin: 0;
  color: var(--color-text-light);
}

.site-footer__contact {
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
}

.site-footer__contact h3 {
  margin-bottom: 4px;
  font-size: 18px;
}

.site-footer__contact a {
  color: var(--color-text-light);
  transition: color 0.2s;
}

.site-footer__contact p {
  max-width: 360px;
  margin: 0;
  color: var(--color-text-light);
  overflow-wrap: anywhere;
}

.site-footer__contact a:hover {
  color: var(--color-primary-light);
}

.site-footer__risk {
  padding: 22px 0;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  font-size: 14px;
}

.site-footer__risk strong {
  color: var(--color-accent);
}

.site-footer__bottom {
  padding: 20px 0 28px;
  color: var(--color-text-muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .hero__grid,
  .cta-banner__grid,
  .about-intro__grid {
    grid-template-columns: 1fr;
  }

  .hero__grid {
    min-height: auto;
    padding-top: 64px;
  }

  .hero__media,
  .cta-banner__image,
  .about-intro__image {
    max-height: 520px;
  }

  .feature-grid,
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header__inner {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .site-nav a {
    padding: 9px 6px;
    text-align: center;
    font-size: 14px;
  }

  .hero__grid {
    gap: 34px;
    padding: 46px 0 58px;
  }

  .company-card,
  .feature-card,
  .advantage-card,
  .about-card,
  .privacy__section--card {
    border-radius: 14px;
  }

  .section-band {
    padding: 58px 0;
  }

  .stats__grid,
  .feature-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .stats__item {
    padding: 24px;
  }

  .page-hero {
    padding: 78px 0 58px;
  }

  .privacy__section--card {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px;
  }

  .privacy__number {
    font-size: 40px;
  }
}

@media (max-width: 420px) {
  .site-header__logo {
    font-size: 16px;
  }

  .logo-frame--header {
    width: 44px;
    height: 44px;
  }

  h1 {
    font-size: 38px;
  }

  .privacy-contact {
    padding: 14px;
    overflow-wrap: anywhere;
  }
}