:root {
  --mach-subscribe-head-size: 50px;
  --mach-subscribe-title-size: 24px;
  --mach-subscribe-button-size: 20px;
  --mach-subscribe-text-size: 16px;
}

.mach-subscribe {
  font-size: var(--mach-subscribe-head-size);
  margin-bottom: 2em;
}

.mach-subscribe h2 {
  font-size: clamp(24px, 2.60vw, 50px);
  color: var(--title-text-color);
  font-family: var(--title-font-family);
  text-align: center;
  line-height: normal;
  font-weight: 700;
  margin-bottom: 0.8em;
}

.mach-subscribe h3 {
  font-size: clamp(18px, 1.25vw, 24px);
  font-family: var(--font-family);
  color: #666;
  font-weight: 400;
  line-height: normal;
  margin-bottom: 0.4em;
}

.mach-subscribe img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.mach-subscribe p {
  font-size: clamp(14px, 0.83vw, 16px);
  color: var(--text-color);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  line-height: 1.875;
}

.mach-subscribe span {
  font-size: var(--mach-subscribe-text-size);
  color: #666;
  font-family: var(--font-family);
  line-height: 1.62;
}

.mach-subscribe .news-pic {
  padding: 0;
}

.mach-subscribe .news-form {
  padding: 0 4.375em 0 6.25em;
  font-size: var(--mach-subscribe-text-size);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: start;
  gap: 3em;
}

.mach-subscribe .news-form h3::before {
  font-size: var(--mach-subscribe-text-size);
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-right: 1.25em;
  border-radius: 50%;
  background: var(--color-primary);
  vertical-align: middle;
}
.mach-subscribe .news-form p {
  margin-left: 1.75em;
}
.mach-subscribe .news-form .invite-form {
  width: 100%;
}
.mach-subscribe .news-form .invite-form input {
  width: 100%;
  padding: 1.25em 1.875em;
  border: 1px solid #bebebe;
  font-size: var(--mach-subscribe-text-size);
  box-sizing: border-box;
  outline: none;
  line-height: normal;
}
.mach-subscribe .news-form .invite-form button {
  width: 100%;
  margin-top: 2.5em;
  padding: 1.25em 0;
  text-align: center;
  font-size: var(--mach-subscribe-button-size);
  font-family: var(--title-font-family);
  background: var(--color-primary);
  font-weight: 800;
  line-height: normal;
  letter-spacing: 1px;
  border: 1px solid var(--color-primary);
  color: #fff;
  outline: none;
  cursor: pointer;
  border-radius: var(--button-radius);
  transition: all 0.3s;
}

.mach-subscribe .news-form .invite-form button:hover {
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.15) 100%), var(--color-primary);
}

.mach-subscribe .blog-gou b {
  float: left;
  width: 24px;
  height: 24px;
  margin-right: 20px;
  border: 1px solid #999;
  border-radius: 4px;
  cursor: pointer;
  line-height: 24px;
}

.mach-subscribe .blog-gou b.click-gou {
  border-color: var(--color-primary);
  background: url("./pics/ico61.png") no-repeat center;
}

.mach-subscribe .blog-gou span {
  color: #999;
}

.mach-subscribe .blog-gou span a {
  color: var(--text-color);
  text-decoration: underline;
}

@media screen and (max-width: 1500px) {
  :root {
    --mach-subscribe-head-size: 44px;
    --mach-subscribe-title-size: 24px;
    --mach-subscribe-button-size: 20px;
    --mach-subscribe-text-size: 16px;
  }
}

@media screen and (max-width: 1280px) {
  :root {
    --mach-subscribe-head-size: 38px;
    --mach-subscribe-title-size: 24px;
    --mach-subscribe-button-size: 18px;
    --mach-subscribe-text-size: 16px;
  }
}

@media screen and (max-width: 1200px) {
  :root {
    --mach-subscribe-head-size: 32px;
    --mach-subscribe-title-size: 22px;
    --mach-subscribe-button-size: 18px;
    --mach-subscribe-text-size: 16px;
  }
}

@media screen and (max-width: 992px) {
  :root {
    --mach-subscribe-head-size: 32px;
    --mach-subscribe-title-size: 20px;
    --mach-subscribe-button-size: 16px;
    --mach-subscribe-text-size: 14px;
  }
  .mach-subscribe .news-form {
    padding: 0 15px;
    margin-top: 2em;
  }
  .mach-subscribe .news-pic {
    padding: 0 15px;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --mach-subscribe-head-size: 28px;
    --mach-subscribe-title-size: 18px;
    --mach-subscribe-button-size: 16px;
    --mach-subscribe-text-size: 14px;
  }
}

@media screen and (max-width: 576px) {
  :root {
    --mach-subscribe-head-size: 22px;
    --mach-subscribe-title-size: 18px;
    --mach-subscribe-button-size: 16px;
    --mach-subscribe-text-size: 14px;
  }
}