/* ===== 变量与基础 ===== */
:root{
  --bg: #f5f6f7;      /* 浅灰背景（整块区域） */
  --panel: #ffffff;   /* 内容白底 */
  --text: #1f2430;    /* 文字主色 */
  --muted:#6b7280;    /* 次级文字 */
  --brand:#6f64ff;    /* 主按钮色（可按需替换） */
  --brand-hover:#5b51ff;
  --line:#e5e7eb;     /* 细分割线 */
  --radius:14px;      /* 圆角统一 */
  --shadow:0 10px 30px rgba(31,36,48,.08);
}

/* 整体浅灰背景，内容白底居中 */
.midwrap{
  background: 	#F0FFFF;
  padding: 48px 16px;
}
.midwrap__container{
  max-width: 1200px;
  margin: 0 auto;
  color: var(--text);
}

/* ===== 标题/宣传语 ===== */
.hero{
  text-align: center;
  margin-bottom: 24px;
}
.hero__title{
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  margin: 0 0 15px;color: #1E90FF;
}
.hero__subtitle{
  font-size: 25px;
  color:#666;
  margin: 0;padding: 10px 0px;
}

/* ===== CTA 按钮 ===== */
.hero__cta{
  display: flex;
  justify-content: center;
  margin: 22px 0 32px;
}
.btn-start{
  display: inline-flex;
  align-items: center;
  gap: 15px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  padding: 20px 40px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  letter-spacing: 5px;
}
.btn-start:hover{
  transform: translateZ(0) scale(1.06);
  background: var(--brand-hover);
  box-shadow: 0 14px 28px rgba(111,100,255,.28);
}
.btn-start:active{
  transform: translateZ(0) scale(0.98);
}
.btn-start:focus{
  outline: 2px solid rgba(111,100,255,.5);
  outline-offset: 3px;
}
.btn-start .icon-start{
  /* 你可以在这里换成你自己的 i 图标类名/字体图标 */
  width: 1.1em; height: 1.1em;
  display: inline-block;
  border-radius: 50%;
  border: 2px solid #fff;
  position: relative;
}
.btn-start .icon-start::after{
  /* 简单小箭头占位，可自行替换为 iconfont */
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 6px; height: 6px;
  border-right: 2px solid #fff;
  border-top: 2px solid #fff;
  transform: translate(-60%,-40%) rotate(45deg);
}

/* ===== 左右两个介绍栏 ===== */
.intro{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 8px 0 6px;
}
.intro__item{border-radius: 10px;    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);border: 1px solid #33CCCC;}
.intro__title{
  margin:0;
  font-size: 25px;
  font-weight: 700; text-align: center;border-bottom: 1px solid #33CCCC;    padding: 15 0px;color: #666;
}
.intro__desc{
  margin: 0;
  font-size: 16px;
  line-height: 2;
  color: var(--muted);    text-align: justify;padding: 20px;
}

/* ===== 六图展示（3列并排） ===== */
.gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-top: 24px;
}
.card{
  overflow: hidden;
}
.card__img{
  aspect-ratio: 16 / 9;
  background: #f2f3f5;
  overflow: hidden;
}
.card__img img{
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.card__title{
    margin: 0px 0px 15px;
    font-size: 20px;
    font-weight: 600;
    border: 1px solid #63B8FF;
    border-top: 0px solid #63B8FF;
    text-align: center;
    padding: 10;
}

/* ===== 自适应断点 ===== */
@media (max-width: 992px){
  .intro{ grid-template-columns: 1fr; }
}
@media (max-width: 820px){
  .gallery{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px){
  .midwrap__container{ padding: 28px 16px; }
  .gallery{ grid-template-columns: 1fr; }
  .btn-start{ width: 100%; justify-content: center; }
}

.hexin {
    max-width: 1200px;
    margin: 0 auto;
    color: #000;
    text-align: center;
    margin-top: 15px;
}
.hexin i {color: #fff;    font-size: 30px;}

@media (max-width: 768px) { 
    .hexin {
    max-width: 1200px;
    margin: 0 auto;
    color: #000;
    text-align: center;
    margin-top: 15px;
}
}

.section-title {
    font-size: 2.25rem;
    font-weight: bold;
    padding: 30px 0;
    margin-bottom: -10px;color: #666;
}
.section-title i {    position: relative;    color: #CD3278;    font-size: 40px;    margin-right: 10px;    top: 3px;}
.hexin p {    font-size: 20px;    color: #4b5563;    margin-top: 0px;    margin-bottom: 40px;}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}

.feature-item {
    width: 32%;
    border-radius: 15px;
    padding: 30px 20px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);border: 1px solid #33CCCC;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px auto;
    background: #FFA500;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
}

.feature-item h3 {
    font-size: 25px;
    color:	#FFA500;
    margin-bottom: 15px;
}

.feature-item p {
    font-size: 16px;
    color: #2F4F4F;
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 0px;
}

/* 绉诲姩绔嚜閫傚簲 */
@media screen and (max-width: 768px) {
    .feature-item {
        width: 100%;
    }
}