.htu245-page {
  font-family: Arial, Helvetica, sans-serif;
  color: #172033;
  background: #fff;
  line-height: 1.7;
}

.htu245-page * {
  box-sizing: border-box;
}

.htu245-container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.htu245-hero {
  padding: 70px 0;
  text-align: center;
  background: linear-gradient(135deg, #f5f9ff 0%, #eef5ff 100%);
}

.htu245-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 14px;
  border-radius: 30px;
  background: #e4efff;
  color: #1265d8;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}

.htu245-hero h1 {
  margin: 0;
  color: #0a1d3b;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.1;
}

.htu245-intro {
  max-width: 720px;
  margin: 18px auto 32px;
  color: #596579;
  font-size: 18px;
}

.htu245-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 35px;
  border: 1px solid #e1e9f5;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 15px 45px rgba(23, 69, 135, 0.10);
}

.htu245-small {
  margin: 0 0 20px;
  color: #68758a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}

.htu245-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.htu245-time-box {
  width: 150px;
  padding: 20px 10px;
  border-radius: 14px;
  background: #f3f7fd;
}

.htu245-time-box span {
  display: block;
  color: #1265d8;
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
}

.htu245-time-box small {
  display: block;
  margin-top: 10px;
  color: #596579;
  font-size: 14px;
}

.htu245-colon {
  color: #1265d8;
  font-size: 42px;
  font-weight: 700;
}

.htu245-message {
  margin: 22px 0 0;
  color: #0a1d3b;
  font-size: 18px;
  font-weight: 700;
}

.htu245-current {
  margin: 5px 0 0;
  color: #778397;
  font-size: 14px;
}

.htu245-content {
  padding: 60px 0 80px;
}

.htu245-content section {
  margin-bottom: 55px;
}

.htu245-content h2 {
  margin: 0 0 15px;
  color: #0a1d3b;
  font-size: 30px;
  line-height: 1.3;
}

.htu245-content p {
  color: #566276;
  font-size: 17px;
}

.htu245-answer {
  padding: 28px 30px;
  border-left: 5px solid #1265d8;
  border-radius: 8px;
  background: #f4f8ff;
}

.htu245-answer h2 {
  font-size: 25px;
}

.htu245-answer p {
  margin-bottom: 0;
}

.htu245-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-top: 28px;
}

.htu245-info-grid div {
  padding: 20px;
  border: 1px solid #e1e8f3;
  border-radius: 10px;
  background: #fff;
}

.htu245-info-grid strong,
.htu245-info-grid span {
  display: block;
}

.htu245-info-grid strong {
  color: #1265d8;
  font-size: 14px;
}

.htu245-info-grid span {
  margin-top: 5px;
  color: #172033;
  font-weight: 700;
}

.htu245-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.htu245-links a {
  padding: 11px 17px;
  border: 1px solid #cfe0f8;
  border-radius: 8px;
  color: #1265d8;
  background: #f6f9fe;
  font-weight: 700;
  text-decoration: none;
}

.htu245-links a:hover {
  background: #1265d8;
  color: #fff;
}

.htu245-faq-item {
  margin-bottom: 12px;
  border: 1px solid #e0e7f0;
  border-radius: 10px;
  overflow: hidden;
}

.htu245-faq-item button {
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: #fff;
  color: #172033;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
}

.htu245-faq-item button span {
  color: #1265d8;
  font-size: 22px;
}

.htu245-faq-item > div {
  display: none;
  padding: 0 20px 18px;
}

.htu245-faq-item.active > div {
  display: block;
}

.htu245-faq-item.active button span {
  transform: rotate(45deg);
}

.htu245-faq-item p {
  margin: 0;
}

@media (max-width: 767px) {
  .htu245-hero {
    padding: 45px 0;
  }

  .htu245-container {
    width: min(100% - 24px, 1100px);
  }

  .htu245-card {
    padding: 25px 14px;
  }

  .htu245-countdown {
    gap: 6px;
  }

  .htu245-time-box {
    width: 30%;
    padding: 16px 5px;
  }

  .htu245-time-box span {
    font-size: 34px;
  }

  .htu245-colon {
    font-size: 28px;
  }

  .htu245-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .htu245-content h2 {
    font-size: 25px;
  }
}