:root {
  --bobo-about-title-size: 36px;
  --bobo-about-text-size: 17px;
  --bobo-about-content-pr: 70px;
  --bobo-about-pic-t-size: 20px;
  --bobo-about-pic-t-p: 30px 38px;
  --bobo-about-vbox-b: -54px;
  --bobo-about-btn-size: 52px;
  --bobo-about-pd: 100px 0;
}

.bobo-about {
  padding: var(--bobo-about-pd);
}

/* 文字不浮动，自然环绕 */
.bobo-about .txt {
  display: block;
  width: auto;
  padding-left: 0;
  padding-right: 0;
}

/* 图片容器不浮动，只让海报图浮动 */
.bobo-about .pic {
  display: block;
  width: 50%;
  padding: 0;
  float: right;
  margin-left: 30px; /* 文字与图片间距 */
  margin-bottom: 70px; /* 防止文字紧贴图片底部 */
}

.bobo-about .pic .pic-box {
  position: relative;
}

.bobo-about .pic .poster {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  display: block;
}

/* v-box 绝对定位，不影响浮动高度 */
.bobo-about .v-box {
  position: absolute;
  right: 0;
  bottom: var(--bobo-about-vbox-b);
  background: #ffffffcc;
  width: 82%;
  padding: var(--bobo-about-pic-t-p);
  box-sizing: border-box;
  box-shadow: 0 2px 20px 0 rgba(227, 230, 230, 0.6);
}

.bobo-about .v-box p {
  color: var(--title-text-color);
  font-size: var(--bobo-about-pic-t-size);
  line-height: 1.8;
}

.bobo-about .v-box .v {
  margin: 20px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bobo-about .v-box .v h5 {
  font-size: var(--bobo-about-pic-t-size);
}

.bobo-about .v-box .v hr {
  width: 200px;
  height: 4px;
  background: #f4f4f4;
  border: none;
}

.bobo-about .v-box .v a {
  width: var(--bobo-about-btn-size);
  position: relative;
  display: block;
  transition: all 0.3s ease 0s;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.bobo-about .v-box .v a::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--color-primary) 50%, transparent 25%);
  animation: scale2 2s linear infinite;
}

@keyframes scale2 {
  from { transform: scale(1); }
  50%  { transform: scale(1.4); }
  to   { transform: scale(1); }
}

.bobo-about .txt h2 {
  font-size: var(--bobo-about-title-size);
  line-height: 1;
  font-weight: 700;
  margin-bottom: 1em;
}

.bobo-about .txt .rich-text p {
  font-size: var(--bobo-about-text-size);
  line-height: 1.5;
}

.bobo-about .txt .rich-text strong {
  color: var(--color-primary);
}

/* ===================== 响应式 ===================== */
@media screen and (max-width: 1500px) {
  :root {
    --bobo-about-title-size: 32px;
    --bobo-about-text-size: 16px;
    --bobo-about-pic-t-size: 18px;
    --bobo-about-pic-t-p: 26px 34px;
    --bobo-about-vbox-b: -48px;
    --bobo-about-btn-size: 48px;
    --bobo-about-pd: 85px 0;
  }
  .bobo-about .v-box .v { margin: 18px 0 0; }
  .bobo-about .v-box .v hr { width: 180px; }
}

@media screen and (max-width: 1280px) {
  :root {
    --bobo-about-title-size: 28px;
    --bobo-about-text-size: 15px;
    --bobo-about-pic-t-size: 16px;
    --bobo-about-pic-t-p: 22px 30px;
    --bobo-about-vbox-b: -42px;
    --bobo-about-btn-size: 44px;
    --bobo-about-pd: 70px 0;
  }
  .bobo-about .v-box .v { margin: 16px 0 0; }
  .bobo-about .v-box .v hr { width: 160px; }
}

@media screen and (max-width: 1200px) {
  :root {
    --bobo-about-title-size: 24px;
    --bobo-about-text-size: 14px;
    --bobo-about-pic-t-size: 14px;
    --bobo-about-pic-t-p: 16px 24px;
    --bobo-about-vbox-b: -36px;
    --bobo-about-btn-size: 40px;
    --bobo-about-pd: 55px 0;
  }
  .bobo-about .v-box .v { margin: 14px 0 0; }
  .bobo-about .v-box .v hr { width: 140px; }
}

@media screen and (max-width: 992px) {
  /* 平板及以下取消浮动，垂直排列 */
  .bobo-about .pic {
    float: none;
    width: 100%;
    margin-left: 0;
    margin-top: 20px;
    margin-bottom: 30px;
  }

  :root {
    --bobo-about-title-size: 32px;
    --bobo-about-text-size: 16px;
    --bobo-about-pic-t-size: 18px;
    --bobo-about-pic-t-p: 25px 30px;
    --bobo-about-vbox-b: 0;
    --bobo-about-btn-size: 48px;
    --bobo-about-pd: 60px 0;
  }

  .bobo-about .txt h2 { text-align: center; }
  .bobo-about .v-box { position: static; width: 100%; }
  .bobo-about .v-box .v { margin: 20px 0 0; }
  .bobo-about .v-box .v hr { width: 200px; }
}

@media screen and (max-width: 768px) {
  :root {
    --bobo-about-title-size: 28px;
    --bobo-about-text-size: 16px;
    --bobo-about-pic-t-size: 16px;
    --bobo-about-pic-t-p: 20px 28px;
    --bobo-about-btn-size: 44px;
    --bobo-about-pd: 45px 0;
  }
  .bobo-about .v-box .v { margin: 18px 0 0; }
  .bobo-about .v-box .v hr { width: 180px; }
}

@media screen and (max-width: 576px) {
  :root {
    --bobo-about-title-size: 24px;
    --bobo-about-text-size: 14px;
    --bobo-about-pic-t-size: 14px;
    --bobo-about-pic-t-p: 15px 20px;
    --bobo-about-btn-size: 40px;
    --bobo-about-pd: 30px 0;
  }
  .bobo-about .row { padding: 0 15px; }
  .bobo-about .v-box .v { margin: 12px 0 0; }
  .bobo-about .v-box .v hr { width: 160px; }
}