/* ========================================
   Protocol CSS - SheetNext 协议页样式
   轻量优化：提升阅读体验
======================================== */

.protocol {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(238, 240, 242, 0.35) 42%, rgba(238, 240, 242, 0.82) 100%);
  min-height: calc(100vh - var(--header-height));
}

.protocol-wrap {
  max-width: 980px;
  padding-top: 36px;
  padding-bottom: 64px;
}

.protocol-title {
  margin: 0 0 20px;
  text-align: center;
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.protocol-card {
  background: linear-gradient(160deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid rgba(35, 131, 226, 0.14);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.07);
  padding: 28px 30px;
}

.protocol-content {
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.85;
}

.protocol-content p {
  margin: 0 0 12px;
}

.protocol-content h2,
.protocol-content h3 {
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin-top: 30px;
  margin-bottom: 12px;
}

.protocol-content h2 {
  font-size: 24px;
  font-weight: 700;
  padding-left: 12px;
  border-left: 4px solid var(--color-primary);
}

.protocol-content h3 {
  font-size: 19px;
  font-weight: 700;
}

.protocol-content ul {
  margin: 0 0 14px;
  padding-left: 22px;
  list-style: disc;
}

.protocol-content ul li {
  margin-bottom: 6px;
  color: var(--color-text-light);
}

.protocol-content strong {
  color: #2b2a26;
}

.protocol-content .section {
  margin-top: 22px;
  padding: 14px 16px;
  background: rgba(35, 131, 226, 0.06);
  border: 1px solid rgba(35, 131, 226, 0.18);
  border-radius: 10px;
}

.protocol-content a {
  color: var(--color-primary);
  text-underline-offset: 3px;
}

@media (max-width: 768px) {
  .protocol-wrap {
    padding-top: 24px;
    padding-bottom: 44px;
  }

  .protocol-card {
    padding: 20px 18px;
    border-radius: 12px;
  }

  .protocol-content {
    font-size: 14px;
    line-height: 1.8;
  }

  .protocol-content h2 {
    font-size: 20px;
    margin-top: 24px;
  }

  .protocol-content h3 {
    font-size: 17px;
  }
}