* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft Yahei", sans-serif;
}
body {
  color: #333;
  line-height: 1.6;
  background-color: #f8f8f8;
}
.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 10px;
}
/* ======================
           新增：关于我们板块
        ====================== */
.section-about {
  padding: 60px 0;
  background-color: #fff;
  text-align: center;
}
.about-header h2 {
  font-size: 24px;
  margin-bottom: 20px;
  font-weight: normal;
}
.about-header p {
  max-width: 1100px;
  margin: 0 auto 20px;
  font-size: 16px;
  color: #777;
  line-height: 1.8;
  text-align: left;
  text-indent: 30px;
}
.about-image-circle {
  width: 300px;
  height: 300px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
}
.about-image-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 768px) {
  .about-image-circle {
    width: 200px;
    height: 200px;
  }
}
/* 项目板块 */
.section-project-grid {
  padding: 50px 0;
}
.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  /* 👈 改成 10px 间距 */
}
.grid-card {
  background: #fff;
  padding: 30px 25px;
  text-align: center;
  border: 1px solid #eee;
}
.grid-icon svg {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: #666;
}
.grid-card h3 {
  font-size: 20px;
  margin: 15px 0;
}
.grid-card p {
  font-size: 13px;
  color: #777;
}
.grid-img {
  grid-column: 1 / 3;
}
.grid-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.grid-text {
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
}
.grid-dark {
  background: #333;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
}
.grid-img-full {
  grid-column: 2 / 4;
}
.grid-img-full img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 768px) {
  .grid-container {
    grid-template-columns: 1fr;
  }
  .grid-img,
  .grid-text,
  .grid-dark,
  .grid-img-full {
    grid-column: auto;
  }
}
/* 生活理念 */
.section-life-concept {
  padding: 60px 0;
  background: #fff;
  text-align: center;
}
.concept-header h2 {
  font-size: 18px;
}
.concept-header p {
  max-width: 700px;
  margin: 0 auto;
  color: #777;
  line-height: 2;
}
/* ======================
           精简版：50+室内设计理念
           左右50% + 右侧2×2 + 高度对齐
        ====================== */
.concept-grid-section {
  padding: 60px 0;
}
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.concept-grid {
  display: grid;
  grid-template-columns: 4fr 3fr;
  /* 左右各50% */
  gap: 0;
}
/* 左侧大图：高度与右侧完全一致 */
.grid-left {
  height: 100%;
}
.grid-left img {
  width: 100%;
  height: 100%;
  display: block;
}
/* 右侧 2×2 四宫格 */
.grid-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: 100%;
  gap: 0;
}
/* 右侧文字+图片统一样式 */
.grid-right-text-top,
.grid-right-text-bottom {
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: #777;
}
.grid-right-img-top,
.grid-right-img-bottom {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 移动端适配 */
@media (max-width: 768px) {
  .concept-grid {
    grid-template-columns: 1fr;
  }
  .grid-right {
    grid-template-columns: 1fr;
  }
}
/* ======================
           追加：住宅和公寓板块
        ====================== */
.section-apartment {
  padding: 60px 0;
}
.apartment-header {
  text-align: center;
  margin-bottom: 40px;
}
.apartment-header h2 {
  font-size: 24px;
  margin-bottom: 10px;
}
.apartment-header p {
  font-size: 13px;
  color: #777;
  max-width: 800px;
  margin: 0 auto;
}
/* 上半部分：图片各占一半，间距20px，背景#fff */
.apartment-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background-color: #fff;
  padding: 0;
  margin-bottom: 0;
}
.apartment-images img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  border-radius: 5px;
}
/* 下半部分：文字各占一半，间距20px，背景#f7f8fa */
.apartment-texts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background-color: #f7f8fa;
  /* padding: 40px 0; */
}
.apartment-text-card {
  background: #fff;
  padding: 30px;
}
.apartment-text-card h3 {
  font-size: 30px;
  color: #333;
  margin-bottom: 10px;
}
.apartment-text-card h4 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
}
.apartment-text-card p {
  font-size: 13px;
  color: #777;
  line-height: 1.7;
}
/* 住宅和公寓板块的移动端适配 */
@media (max-width: 768px) {
  .apartment-images,
  .apartment-texts {
    grid-template-columns: 1fr;
  }
}
/* 底部 */
.footer {
  background: #222;
  color: #ccc;
  text-align: center;
  padding: 40px 0;
}
.footer > div > p {
  margin-top: 5px;
  margin-bottom: 5px;
}