.page-index-uu-diem {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default dark text for light body background */
  background-color: #ffffff; /* Default body background */
}

.page-index-uu-diem__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-index-uu-diem__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-index-uu-diem__top-section {
  padding: 40px 0;
  text-align: center;
  background-color: #f8f8f8;
  border-bottom: 1px solid #eee;
  padding-top: 10px; /* Small top padding */
}

.page-index-uu-diem__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #017439;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-index-uu-diem__intro-text {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: #555555;
}

.page-index-uu-diem__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-index-uu-diem__btn-primary,
.page-index-uu-diem__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
  min-width: 180px; /* Ensure buttons have a minimum width */
  text-align: center;
}

.page-index-uu-diem__btn-primary {
  background-color: #C30808; /* Register/Login color */
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #C30808;
}

.page-index-uu-diem__btn-primary:hover {
  background-color: #a30606;
  border-color: #a30606;
}

.page-index-uu-diem__btn-secondary {
  background-color: #FFFFFF;
  color: #017439;
  border: 2px solid #017439;
}

.page-index-uu-diem__btn-secondary:hover {
  background-color: #017439;
  color: #FFFFFF;
}

.page-index-uu-diem__content-section {
  padding: 60px 0;
}

.page-index-uu-diem__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-index-uu-diem__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #017439;
  text-align: center;
  margin-bottom: 40px;
}

.page-index-uu-diem__feature-block {
  margin-bottom: 50px;
  padding-bottom: 30px;
  border-bottom: 1px dashed #e0e0e0;
}

.page-index-uu-diem__feature-block:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-index-uu-diem__feature-title {
  font-size: 2rem;
  font-weight: 600;
  color: #017439;
  margin-bottom: 25px;
  text-align: left;
}

.page-index-uu-diem__sub-feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #017439;
  margin-top: 30px;
  margin-bottom: 15px;
  text-align: left;
}

.page-index-uu-diem p {
  margin-bottom: 15px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #333333;
}

.page-index-uu-diem ul {
  list-style: disc inside;
  margin-bottom: 15px;
  padding-left: 20px;
}

.page-index-uu-diem ul li {
  margin-bottom: 8px;
  font-size: 1.05rem;
  color: #333333;
}

.page-index-uu-diem__figure {
  margin: 30px 0;
  text-align: center;
}

.page-index-uu-diem__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.page-index-uu-diem__figcaption {
  font-size: 0.95rem;
  color: #777777;
  margin-top: 10px;
  font-style: italic;
}

.page-index-uu-diem__text-link {
  color: #017439;
  text-decoration: underline;
  font-weight: 600;
}

.page-index-uu-diem__text-link:hover {
  color: #005f2c;
}

.page-index-uu-diem__cta-buttons--bottom {
  margin-top: 40px;
}

.page-index-uu-diem__copyright-section {
  padding: 20px 0;
  background-color: #017439;
  text-align: center;
}

.page-index-uu-diem__copyright-text {
  color: #FFFFFF;
  font-size: 0.9rem;
  margin: 0;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-index-uu-diem__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-index-uu-diem__section-title {
    font-size: 2.2rem;
  }

  .page-index-uu-diem__feature-title {
    font-size: 1.8rem;
  }

  .page-index-uu-diem__sub-feature-title {
    font-size: 1.4rem;
  }

  .page-index-uu-diem__intro-text,
  .page-index-uu-diem p,
  .page-index-uu-diem ul li {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  /* 顶区标题 + 双 CTA */
  .page-index-uu-diem__top-section {
    padding: 20px 0 !important;
    padding-top: 10px !important; /* Small top padding */
  }

  .page-index-uu-diem__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 10px;
  }

  .page-index-uu-diem__intro-text {
    font-size: 0.95rem;
    margin-bottom: 20px;
    padding: 0 15px;
  }

  .page-index-uu-diem__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  .page-index-uu-diem__btn-primary,
  .page-index-uu-diem__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    min-width: unset;
    padding: 12px 20px;
    font-size: 0.95rem;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  /* 单栏长文容器 */
  .page-index-uu-diem__article-wrap {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index-uu-diem__content-section {
    padding: 40px 0;
  }

  .page-index-uu-diem__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .page-index-uu-diem__feature-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    padding: 0 15px;
  }

  .page-index-uu-diem__sub-feature-title {
    font-size: 1.2rem;
    margin-top: 25px;
    margin-bottom: 10px;
    padding: 0 15px;
  }

  .page-index-uu-diem p,
  .page-index-uu-diem ul li {
    font-size: 0.95rem;
    padding: 0 15px;
  }

  .page-index-uu-diem ul {
    padding-left: 35px; /* Adjust for padding on P tags */
  }

  /* 通用图片与 figure */
  .page-index-uu-diem img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-index-uu-diem__figcaption {
    font-size: 0.85rem;
    padding: 0 15px;
  }

  .page-index-uu-diem__feature-block {
    margin-bottom: 30px;
    padding-bottom: 20px;
  }

  /* 按钮与按钮容器 (already covered by .page-index-uu-diem__cta-buttons and .page-index-uu-diem__btn-primary/secondary) */
  .page-index-uu-diem__cta-buttons--bottom {
    margin-top: 30px;
    padding: 0 15px;
  }

  /* 注册教程与 FAQ 区块 (H3 for steps, P for descriptions) */
  /* These are covered by general H3 and P rules above */

  .page-index-uu-diem__copyright-section {
    padding: 15px 15px;
  }

  .page-index-uu-diem__copyright-text {
    font-size: 0.8rem;
  }
}