/* 蘑菇视频 · 高清视频在线观看入口 · 蘑菇短视频平台 · 天蓝不对称双栏 */
:root {
  --bg: #0f172a;
  --rail: #1e293b;
  --card: #334155;
  --border: #475569;
  --text: #f8fafc;
  --text-2: #e2e8f0;
  --text-3: #94a3b8;
  --accent: #0ea5e9;
  --accent-2: #38bdf8;
  --accent-bg: rgba(14, 165, 233, 0.12);
  --rail-w: 220px;
  --r: 8px;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", ui-sans-serif, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* 顶栏 */
.head {
  background: var(--rail);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
}
.head-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.head-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.head-logo:hover { color: var(--accent-2); }
.head-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}
.head-nav a {
  padding: 0.32rem 0.6rem;
  border-radius: 6px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.84rem;
  transition: color 0.2s, background 0.2s;
}
.head-nav a:hover, .head-nav a.cur { color: var(--accent-2); background: var(--accent-bg); }

/* 主区：左栏 + 右栏 */
.main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.75rem;
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* 左栏：快捷入口（竖向列表） */
.rail {
  position: sticky;
  top: 4rem;
  background: var(--rail);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.75rem 0;
}
.rail-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-3);
  padding: 0 1rem 0.5rem;
  margin-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}
.rail-list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0 0.5rem;
}
.rail-list a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.86rem;
  transition: color 0.2s, background 0.2s;
}
.rail-list a:hover, .rail-list a.cur { color: var(--accent-2); background: var(--accent-bg); }
.rail-list .icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}
.rail-list .icon img { width: 100%; height: 100%; object-fit: cover; }

/* 右栏：介绍 + 精选网格 */
.content {
  min-width: 0;
}
.lead {
  margin-bottom: 1.5rem;
}
.lead h2 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 0.6rem;
  padding-left: 0.5rem;
  border-left: 3px solid var(--accent);
}
.lead .box {
  background: var(--rail);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.35rem;
}
.lead .box p {
  margin-bottom: 0.95rem;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.78;
}
.lead .box p:last-of-type { margin-bottom: 0; }
.lead .box strong { color: var(--accent-2); }

.pick-sec {
  margin-top: 1.5rem;
}
.pick-sec h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}
.pick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.pick-card {
  display: block;
  padding: 0.7rem;
  background: var(--rail);
  border: 1px solid var(--border);
  border-radius: var(--r);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, background 0.2s;
}
.pick-card:hover { border-color: var(--accent); background: var(--accent-bg); }
.pick-card .pic {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  background: var(--card);
}
.pick-card .pic img { width: 100%; height: 100%; object-fit: cover; }
.pick-card .tit { font-size: 0.88rem; font-weight: 600; margin-bottom: 0.15rem; }
.pick-card:hover .tit { color: var(--accent-2); }
.pick-card .desc { font-size: 0.76rem; color: var(--text-3); }

/* 列表页（单栏） */
.page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.75rem;
}
.page-cap {
  margin-bottom: 1.2rem;
}
.page-cap h1 { font-size: 1.22rem; font-weight: 700; margin-bottom: 0.3rem; }
.page-cap p { font-size: 0.85rem; color: var(--text-2); }
.page-list { display: flex; flex-direction: column; gap: 0.65rem; }
.page-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--rail);
  border: 1px solid var(--border);
  border-radius: var(--r);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}
.page-item:hover { border-color: var(--accent); }
.page-item .thumb {
  width: 140px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.page-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.page-item .info { flex: 1; min-width: 0; }
.page-item .info h2 { font-size: 0.92rem; font-weight: 600; margin-bottom: 0.22rem; }
.page-item:hover .info h2 { color: var(--accent-2); }
.page-item .info .d { font-size: 0.78rem; color: var(--text-3); }

/* 内容页 */
.article {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.75rem;
  max-width: 660px;
}
.article .top { margin-bottom: 1rem; }
.article .top h1 { font-size: clamp(1rem, 2vw, 1.28rem); font-weight: 700; margin-bottom: 0.28rem; }
.article .top .meta { font-size: 0.78rem; color: var(--text-3); }
.article .bd p {
  margin-bottom: 0.95rem;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.75;
}
.article .bd h2 { font-size: 0.96rem; font-weight: 600; color: var(--accent-2); margin: 1.15rem 0 0.4rem; }
.article .bd h3 { font-size: 0.88rem; font-weight: 600; margin: 0.95rem 0 0.35rem; }
.article .bd img {
  width: 100%;
  border-radius: var(--r);
  margin: 0.95rem 0;
  border: 1px solid var(--border);
}
.article .bt {
  margin-top: 1.3rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}
.article .bt a { color: var(--accent-2); text-decoration: none; }
.article .bt a:hover { text-decoration: underline; }

.foot {
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  font-size: 0.74rem;
  color: var(--text-3);
  text-align: center;
}
.foot p { margin-bottom: 0.15rem; }

/* 响应式：左栏收起 */
@media (max-width: 768px) {
  .main {
    grid-template-columns: 1fr;
    padding: 1rem 0.9rem 1.5rem;
  }
  .rail {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
    padding: 0.75rem;
  }
  .rail-title { grid-column: 1 / -1; padding: 0 0 0.4rem; margin-bottom: 0; }
  .rail-list { flex-direction: row; flex-wrap: wrap; padding: 0; gap: 0.35rem; }
  .rail-list a { flex: 1 1 auto; min-width: 0; }
  .pick-grid { grid-template-columns: 1fr; }
  .page-item { flex-direction: column; }
  .page-item .thumb { width: 100%; max-height: 150px; aspect-ratio: 16/9; }
}
@media (max-width: 480px) {
  .rail-list .icon { width: 28px; height: 28px; }
}