.hero {
            background: linear-gradient(rgb(186 211 205 / 90%), rgb(167 185 181 / 80%)), url(../images/xjyy.jpg) center / cover no-repeat;
        }



/* banner容器（自然纹理底） */
.hero {
  height: 450px;
  text-align: center;
  background-size: cover;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 自然纹理蒙版（叶脉/木纹） */
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAMAAAAp4XiDAAAAUVBMVEWFhYWDg4N3d3dtbW17e3t1dXWBgYGHh4d5eXlzc3OLi4ubm5uVlZWPj4+NjY19fX2JiYl/f39ra2uRkZGZmZlpaWmXl5dvb29xcXGTk5NnZ2c4zIwL9751AAAALHRSTlMAAgwKNTU1GiYmJmzU1N0dXb5urq6uy8vL6vr6+goeJdAAAAXklEQVRIieWNgAAp6D8AWiI/x4UkwB5gAjMYI38AiXwF4G9gC+WJ4QOAuQc5gC8A8QAMAD7AGiwH4H4G4B9AABv70+gAAACV0RVh0ZGF0ZTpjcmVhdGUAMjAyNi0wMy0xMlQxNjozMTo0NyswMDowMO7h504AAAAldEVYdGRhdGU6bW9kaWZ5ADIwMjYtMDMtMTJUMTY6MzE6NDcrMDA6MDBNtmAiAAAAAElFTkSuQmCC");
  opacity: 0.1;
  z-index: 1;
}

/* 内容容器 */
.hero-container {
  position: relative;
  z-index: 2;
  padding: 0 20px;
}

/* 疗愈风标题（柔和渐变） */
.hero-container h2 {
  font-size: 3.8rem;
  font-weight: 500;
  margin: 0 0 1.8rem 0;
  background: linear-gradient(to right, #027a48, #039855);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 1px;
  /* 轻微抖动动画，模拟自然呼吸 */
  animation: naturalBreath 6s ease-in-out infinite;
}
@keyframes naturalBreath {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.01); }
}

/* 副标题（浅绿+轻透） */
.hero-container p {
  font-size: 1.2rem;
  color: #01663b;
  margin: 0 0 2.5rem 0;
  line-height: 1.8;
  opacity: 0.9;
}

/* 疗愈风按钮（圆角+自然色） */
.hero-container .btn {
  display: inline-block;
  padding: 1rem 3rem;
  background: #039855;
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  /* 自然阴影 */
  box-shadow: 0 4px 12px rgba(3, 152, 85, 0.2);
  transition: all 0.3s ease;
}
.hero-container .btn:hover {
  background: #027a48;
  box-shadow: 0 6px 18px rgba(3, 152, 85, 0.3);
}