:root {
  --charcoal: #2B2B28;
  --cloud-white: #F8F8F8;
  --amber: #E3B04B;
  --beige: #F1D6AB;
  --graphite: #AAAAAA;
  --font-family: 'Source Han Serif TC', 'Noto Serif TC', serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--charcoal);
  background: var(--cloud-white);
  line-height: 1.5;
}

html {
  scroll-behavior: smooth;
}

.container {
  width: 92%;
  margin: 0 auto;
  max-width: 1200px;
}

.section {
  padding: 72px 0;
}

#contact {
  background: var(--cloud-white);
}

.belief {
  position: relative;
  overflow: hidden;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5%;
  margin-bottom: 24px;
}

h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

h3 {
  font-size: 18px;
  font-weight: 500;
  margin: 24px 0 8px;
}

p {
  font-size: 15px;
  margin: 0 0 16px;
}

.btn {
  padding: 8px 24px;
  border: 1px solid var(--amber);
  color: var(--amber);
  background: transparent;
  border-radius: 20px;
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  display: inline-block;
  margin-right: 16px;
  transition: all 0.3s ease;
}

.btn:hover {
  background: var(--amber);
  color: #fff;
}

.btn.outline {
  background: transparent;
}

.site-header {
  background: var(--cloud-white);
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-toggle {
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  display: none;
}

.logo {
  height: 40px;
  width: auto;
}

.nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--charcoal);
  font-size: 15px;
}

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

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: -1;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 40px;
}

.wave path {
  stroke: #edd3a9;
  stroke-width: 2;
  fill: none;
  animation: wave 8s linear infinite;
}

@keyframes wave {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}


.section-img {
  width: 100%;
  height: auto;
  margin-top: 32px;
}

.subtitle {
  font-size: 15px;
  margin-bottom: 32px;
}

.strategy .content {
  display: flex;
  flex-direction: column;
}

.strategy .list ul {
  padding-left: 20px;
}

@media (min-width: 768px) {
  h1 {
    font-size: 48px;
  }
  h2 {
    font-size: 32px;
  }
  p {
    font-size: 16px;
  }
  .section {
    padding: 120px 0;
  }
  .strategy .content {
    flex-direction: row;
    gap: 64px;
  }
  .strategy .list {
    flex: 1;
  }
}

@media (max-width: 767px) {
  .nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    right: 0;
    background: var(--cloud-white);
    width: 100%;
    text-align: right;
    padding: 16px 0;
  }
  .nav.open {
    display: flex;
  }
  .nav a {
    margin: 8px 24px;
  }
  .nav-toggle {
    display: block;
  }
  .site-header .container {
    position: relative;
  }
}