* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #333;
  background: #f5f5f5;
  line-height: 1.8;
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
}

/* Page container */
.page-container {
  max-width: 750px;
  margin: 0 auto;
  background: #fff;
  min-height: 100vh;
}

/* Title section */
.page-title-section {
  padding: 20px 16px 16px;
  text-align: center;
  border-bottom: 1px solid #eee;
}

.page-title-section h1 {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
  line-height: 1.4;
}

.meta-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #999;
}

.meta-info time {
  white-space: nowrap;
}

/* Content area */
.content-area {
  padding: 16px;
}

.content-section {
  margin-bottom: 16px;
}

.content-section p {
  font-size: 14px;
  color: #333;
  line-height: 1.8;
  font-weight: 500;
  text-align: justify;
  text-indent: 2em;
}

/* Table wrapper */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 12px 0;
  border-radius: 8px;
  border: 1px solid #e8e8e8;
}

.table-wrapper::-webkit-scrollbar {
  height: 3px;
}

.table-wrapper::-webkit-scrollbar-thumb {
  background: #d9d9d9;
  border-radius: 2px;
}

table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: #f5f7fa;
  color: #333;
  font-weight: 700;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 2px solid #e8e8e8;
  white-space: nowrap;
  position: sticky;
  top: 0;
}

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: middle;
  text-align: left;
  color: #333;
  line-height: 1.6;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:nth-child(even) {
  background: #fafbfc;
}

tbody td strong {
  font-weight: 700;
}

/* Tags */
.tag {
  display: inline-block;
  padding: 0;
  font-size: 13px;
  white-space: nowrap;
  font-weight: 400;
  color: #333;
  background: transparent;
}

.tag-blue {
  background: transparent;
  color: #333;
}

.tag-orange {
  background: transparent;
  color: #333;
}

.tag-red {
  background: transparent;
  color: #333;
}

/* SDK list */
.sdk-list {
  margin: 12px 0;
}

.sdk-item {
  padding: 16px;
  margin-bottom: 12px;
  background: #fafbfc;
  border-radius: 8px;
  border: 1px solid #f0f0f0;
}

.sdk-item:last-child {
  margin-bottom: 0;
}

.sdk-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
}

.sdk-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: #1e6fff;
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.sdk-name {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a1a;
}

.sdk-field {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 14px;
  align-items: baseline;
}

.sdk-field:last-child {
  margin-bottom: 0;
}

.sdk-field-label {
  color: #666;
  white-space: nowrap;
  flex-shrink: 0;
  width: 80px;
  font-weight: 600;
}

.sdk-field-value {
  color: #333;
  line-height: 1.7;
  flex: 1;
}

.sdk-field-value a {
  color: #1e6fff;
  text-decoration: none;
}

.sdk-field-value a:hover {
  text-decoration: underline;
}

/* Section for cancel agreement */
.policy-section {
  padding-top: 20px;
  margin-top: 16px;
  border-top: 1px solid #f0f0f0;
}

.policy-section:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: none;
}

.policy-section h2 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
  line-height: 1.5;
}

.policy-section p {
  font-size: 14px;
  color: #333;
  line-height: 1.8;
  font-weight: 500;
  text-align: justify;
}

/* Lists */
.policy-list {
  padding-left: 20px;
  margin-bottom: 12px;
}

.policy-list li {
  font-size: 14px;
  color: #333;
  line-height: 1.8;
  margin-bottom: 6px;
  font-weight: 500;
}

.policy-list li strong {
  font-weight: 700;
}

/* Links */
a {
  color: #1e6fff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Anchor offset */
[id] {
  scroll-margin-top: 60px;
}