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

html {
  font-size: 16px;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: #111;
  background-color: #fff;
  line-height: 1.6;
}

.site-header,
.site-footer {
  width: 100%;
}

.header-inner,
.footer-inner,
.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  background: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-brand .brand-link {
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  color: #111;
}

.site-nav .nav-list {
  list-style: none;
  display: flex;
  gap: 24px;
}

.site-nav a {
  text-decoration: none;
  font-size: 14px;
  color: #333;
}

.site-nav a:hover {
  text-decoration: underline;
}

/* Main */
.site-main {
  flex: 1;
  padding: 64px 24px;
}

/* Page */
.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* 关键：不要让段落自己变成 720px 窄柱；改为 page-content 控制整体宽度，并且左贴 */
.page-content {
  max-width: 960px;
  margin-left: 0;
  margin-right: 0;
}

.page-content p {
  margin-bottom: 16px;
}

/* 彻底移除列表黑点 + 缩进（ul/ol + marker 全覆盖） */
.page-content ul,
.page-content ol {
  list-style: none !important;
  padding-left: 0 !important;
  margin-left: 0 !important;
  margin-bottom: 16px;
}

.page-content li {
  list-style: none !important;
  padding-left: 0 !important;
  margin-left: 0 !important;
  margin-bottom: 8px;
}

.page-content li::marker {
  content: "" !important;
}

/* Section dividers */
.page-content h2 {
  font-size: 22px;
  margin-top: 28px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(17, 17, 17, 0.06);
}

.page-content h3 {
  font-size: 18px;
  margin-top: 22px;
  margin-bottom: 10px;
}

/* Home */
.home-hero h1 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.home-intro p {
  margin-bottom: 16px;
}

/* Footer：固定视觉高度 + 灰背景 + 每页一致 + 贴底 */
.site-footer {
  background: #f4f6f8;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
  padding: 18px 0;
  font-size: 13px;
  color: rgba(17, 17, 17, 0.55);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
}

.site-footer a {
  color: rgba(17, 17, 17, 0.55);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
  color: rgba(17, 17, 17, 0.70);
}

.footer-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 6px;
  border-radius: 8px;
}

.footer-icon svg {
  fill: rgba(17, 17, 17, 0.45);
}

.footer-icon:hover svg {
  fill: rgba(17, 17, 17, 0.65);
}

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    height: auto;
    padding: 16px 24px;
  }

  .site-nav .nav-list {
    gap: 16px;
  }

  .site-main {
    padding: 48px 24px;
  }

  .page-content {
    max-width: 100%;
  }
}