:root {
  --primary-color: #0066cc;
  --text-color: #333;
  --section-padding: 80px 20px;
  --heading-font-size: 48px;
  --paragraph-font-size: 18px;
  --content-max-width: 1000px;
}

/* About页面主样式 */
.about-section {
  max-width: 100%;
  margin: 0 auto;
  padding: var(--section-padding);
  color: var(--text-color);
}

.about-section h1 {
  font-size: var(--heading-font-size);
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
}

.about-section p {
  font-size: var(--paragraph-font-size);
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}


/* .mission-vision {
    display: flex;
    justify-content: center;
    gap: 50px;
    max-width: 1000px;
    margin: 60px auto;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
} */

.mission-vision-item {
    flex: 1;
    max-width: 400px;
}

@media (max-width: 768px) {
    .mission-vision {
        flex-direction: column;
        gap: 30px;
    }
}

.mission-vision-item h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #0066cc;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .mission-vision-item {
        flex: 0 0 100%;
    }
}


/* 背景头图样式 */
.about-hero {
    position: relative;
    height: 100vh;
    background-image: url('./Imgs/about-us.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.about-hero-content {
    position: relative;
    z-index: 1;
    max-width: 400px;
    padding: 0 20px;
    margin-top: -430px;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.about-hero p {
    font-size: 1.2rem;
    line-height: 1.6;
}

.brand-story {
  position: relative;
  padding: var(--section-padding);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.about-section  {
  position: relative;
  padding: var(--section-padding);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
  width: 100%;
  margin: 0;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 0;
}

.about-section h1,
.about-section p,
.about-section .mission-vision {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

/* .mission-vision {
    margin-top: 60px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 10px;
} */