* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}
@font-face {
  font-family: 'Arial Bold';
  src: local('Arial Bold'), local('Arial-Bold');
  font-weight: 700;
}
@font-face {
  font-family: 'Comfortaa';
  src: url('https://fonts.gstatic.com/s/comfortaa/v30/1Ptsg8LJRfWJmhDAuUs4QIFqL_KWxQ.woff2') format('woff2');
}

body {
  color: #FFFFFF;
  line-height: 1.6;
  font-family: 'Calibri', 'Helvetica Neue', sans-serif;
  background-color: #3F5461;
}

/* --------- Header --------- */
.header {
  padding: 1.5rem 1rem;
  background-color: #3E5641;
  color: #FFFFFF;
}

.header-container {
  position: relative; /* 参照定位 */
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* --------- 通用主容器设置 --------- */
.main-content,
.footer-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 移动端专属覆盖 */
@media (max-width: 768px) {
  .header-container,
  .main-content,
  .promo-card {
    min-width: 0;
    flex: 1 1 100%;
  }

  .footer-container {
    width: 100%;
    margin: 0;
    padding: 0 1rem;
  }

  /* 新增：社区板块铺满 */
  .community-section,
  .influencer-grid,
  .engagement-grid {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr !important;
  }

  /* 去除主体左右内边距 */
  .main-content {
    padding: 0;
    margin: 1.5rem 0;
  }
}

/* --------- Logo & 标题 --------- */
.logo {
  grid-column: 1;
  display: flex;
  align-items: center;
}
.logo img {
  height: 3rem;
  width: auto;
}
.page-title {
  grid-column: 2;
  font-family: 'Arial Bold', sans-serif;
  font-size: 30px;
  font-weight: 600;
  color: #131C26;
  text-align: center;
}

/* --------- 导航 --------- */
.hamburger {
  display: none;
  position: relative; /* 为菜单定位 */
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #131C26;
  cursor: pointer;
  z-index: 1001;
}
.nav-links {
  grid-column: 3;
  display: flex;
  gap: 1rem;
}
.nav-links a {
  color: #131C26 !important;
  font-family: 'Arial Bold', sans-serif;
  text-decoration: none;
  transition: color .3s;
}
.nav-links a:hover {
  color: #2B6CB0;
  text-decoration: underline;
}

/* --------- 移动端：汉堡 & 菜单 --------- */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 0.5rem); /* 距离按钮底部 */
    right: 1rem;              /* 与按钮右侧对齐 */
    background: #3E5641;
    width: 200px;
    transform: translateX(100%);
    transition: transform 0.3s ease, opacity 0.3s;
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    display: block;
    padding: 0.75rem 1rem;
    color: #fff !important;
  }
}
/* --------- Hero Banner --------- */
.hero-banner {
  position: relative;
  height: 300px;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #EDF2F7;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
}

/* --------- Main Content --------- */
.main-content {
  max-width: 1280px;
  margin: 1.5rem auto;
  padding: 0 1rem;
}
.section {
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Arial Bold', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: #131C26;
  margin-bottom: 1rem;
}
.section-text {
  max-width: 800px;
  line-height: 1.5;
  font-family: 'Calibri', sans-serif;
  font-size: 16px;
}
.intro-section .section-text {
  color: #ffffff;
}

/* --------- Promo Info --------- */
.promo-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background-color: #5C2E5C;
  padding: 20px;
  border-radius: 8px;
  font-family: 'Calibri', sans-serif;
}
.promo-item {
  background-color: transparent;
  color: #fff;
  padding: 12px;
  font-size: 15px;
}

/* --------- Promo Cards --------- */
.promo-area {
  max-width: 1280px;
  margin: 0 auto 3rem;
  padding: 0 1rem;
}
.promo-cards {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.promo-card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  padding: 1rem;
  flex: 1 1 calc(50% - 0.75rem);
  min-width: 280px;
  color: #131C26;
}
.promo-image {
  width: 100%;
  height: 200px;
  border-radius: 0.5rem;
  overflow: hidden;
}
.promo-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}
.card-text {
  margin-top: 0.75rem;
  font-family: 'Calibri Bold', sans-serif;
  font-size: 16px;
  line-height: 1.4;
  min-height: 60px;
}
.promo-card:hover .promo-image img {
  transform: scale(1.05);
}

/* --------- Why Shop --------- */
.why-shop {
  background-color: hsl(210, 50%, 95%);
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  color: #131C26;
}
.reason-list {
  columns: 3;
  column-gap: 16px;
  list-style-position: inside;
  margin: 0;
  padding: 0;
}
.reason-list li {
  break-inside: avoid;
  font-family: 'Arial Bold', sans-serif;
  font-size: 15px;
}

/* --------- Footer --------- */
.footer {
  border-top: 1px solid #EDF2F7;
  padding: 3rem 1rem;
}
.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.footer-links {
  display: flex;
  gap: 1.25rem;
}
.footer-links a {
  color: #131C26;
  text-decoration: none;
}
.footer-links a:hover {
  color: #2B6CB0;
}
.auth-buttons {
  display: flex;
  gap: .75rem;
}
.btn {
  background: #fff;
  border: 1px solid #CBD5E0;
  border-radius: .5rem;
  padding: .5rem 1rem;
  cursor: pointer;
  transition: all .3s;
}
.btn:hover {
  background: #F7FAFC;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
}
.social-links {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.fab:hover {
  color: #2B6CB0;
}

/* --------- Footer 颜色修复 --------- */
.footer {
  background-color: #131C26;
  color: #FFFFFF;
}
.footer-links a,
.footer p,
.footer span,
.follow-text {
  color: #FFFFFF;
}

/* 汉堡按钮基础样式 */
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #131C26;
  cursor: pointer;
}

/* 移动端布局：显示汉堡，隐藏 nav-links */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: #3E5641;
    width: 200px;
    transform: translateX(100%);
    transition: transform 0.3s ease, opacity 0.3s;
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 1rem;
    color: #fff !important; /* 确保可读性 */
  }
}