/* 梵不在高 - 现代留白主题
 * 意境取自《陋室铭》：山不在高，有仙则名；水不在深，有龙则灵。
 * 宣纸底、墨色字、朱砂点睛、宋体、大留白、发丝线分隔。
 */

:root {
  --color-bg: #f7f4ed;
  --color-ink: #1f1b16;
  --color-ink-soft: #6b6258;
  --color-accent: #a23a2a;
  --color-line: rgba(31, 27, 22, 0.10);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;

  --max-width: 680px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* 顶栏 */
.site-header {
  border-bottom: 1px solid var(--color-line);
}

.site-header-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.brand {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
}

.nav-item {
  color: var(--color-ink-soft);
}

.nav-item:hover {
  color: var(--color-accent);
}

.nav-item-disabled {
  color: var(--color-ink-soft);
  opacity: 0.35;
  cursor: default;
}

/* 主体 */
.page {
  padding: 4rem 0 5rem;
}

/* 主视觉 */
.hero {
  text-align: center;
  padding-top: 3rem;
}

.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.1rem;
}

.seal {
  display: inline-block;
  width: 0.62em;
  height: 0.62em;
  background-color: var(--color-accent);
  border-radius: 2px;
  transform: rotate(45deg);
}

.site-name {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.42em;
  /* 末字尾部字距会使整体偏左，左侧补同等内边距使视觉居中。 */
  padding-left: 0.42em;
}

.tagline {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 1rem;
  letter-spacing: 0.08em;
}

/* 近文 */
.recent {
  margin-top: 5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-line);
}

.section-title {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-ink-soft);
}

.empty {
  margin: 0;
  font-size: 0.98rem;
  color: var(--color-ink-soft);
  opacity: 0.7;
}

.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-line);
}

.article-list time {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

/* 页脚 */
.site-footer {
  padding: 1.6rem 0;
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.site-footer p + p {
  margin-top: 0.35rem;
}

/* 响应式 */
@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .page {
    padding: 2.5rem 0 3.5rem;
  }

  .recent {
    margin-top: 3.5rem;
  }

  .nav {
    gap: 1.1rem;
  }
}

/* 无障碍：遵从减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }
}