/* ===== 设计变量（由生成器按站点注入） ===== */
:root {
  --brand: #2563EB;
  --brand-2: #1D4ED8;
  --accent: #F59E0B;
}
/* ===== 基础排版 ===== */
body { -webkit-font-smoothing: antialiased; }
.serif { font-family: Georgia, 'Times New Roman', 'Songti SC', 'Noto Serif CJK SC', serif; }

/* ===== 骨架屏 ===== */
.skeleton { position: relative; overflow: hidden; background-color: rgb(226 232 240); }
.dark .skeleton { background-color: rgb(30 41 59); }
.skeleton::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.6), transparent);
  transform: translateX(-100%); animation: shimmer 1.4s infinite;
}
.dark .skeleton::after { background: linear-gradient(90deg, transparent, rgba(255,255,255,.07), transparent); }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.img-fade { transition: opacity .45s ease; }

/* ===== 组件 ===== */
.logo-mark {
  background-image: linear-gradient(135deg, var(--brand), var(--brand-2));
}
.nav-link {
  border-radius: .5rem; padding: .375rem .75rem; font-size: .875rem; font-weight: 500;
  color: rgb(71 85 105); transition: color .2s, background-color .2s;
}
.nav-link:hover { color: var(--brand); background-color: rgb(241 245 249); }
.dark .nav-link { color: rgb(203 213 225); }
.dark .nav-link:hover { background-color: rgb(30 41 59); }

.m-link {
  border-radius: .5rem; padding: .5rem .75rem; font-size: .875rem; color: rgb(71 85 105);
}
.dark .m-link { color: rgb(203 213 225); }

.tab-btn {
  border-radius: 9999px; padding: .3rem .95rem; font-size: .875rem; font-weight: 500;
  color: rgb(100 116 139); transition: all .2s;
}
.tab-btn:hover { color: var(--brand); }
.tab-btn.is-active { background: #fff; color: var(--brand); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.dark .tab-btn { color: rgb(148 163 184); }
.dark .tab-btn.is-active { background: rgb(51 65 85); color: #fff; }

.chip {
  flex-shrink: 0; border-radius: 9999px; border: 1px solid rgb(226 232 240);
  background: #fff; padding: .35rem .9rem; font-size: .75rem; color: rgb(71 85 105);
  transition: all .2s;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }
.dark .chip { border-color: rgb(51 65 85); background: rgb(15 23 42); color: rgb(203 213 225); }

.tag {
  border-radius: .5rem; background: rgb(241 245 249); padding: .3rem .65rem;
  font-size: .75rem; color: rgb(71 85 105); transition: all .2s;
}
.tag:hover { background: var(--brand); color: #fff; }
.dark .tag { background: rgb(30 41 59); color: rgb(203 213 225); }

.btn-brand {
  background: var(--brand); color: #fff; border-radius: .6rem; padding: .6rem 1.4rem;
  font-size: .875rem; font-weight: 500; transition: all .2s;
}
.btn-brand:hover { background: var(--brand-2); box-shadow: 0 10px 20px -8px var(--brand); }

.btn-ghost {
  border: 1px solid var(--brand); color: var(--brand); border-radius: 9999px;
  padding: .55rem 1.6rem; font-size: .875rem; font-weight: 500; transition: all .2s;
}
.btn-ghost:hover { background: var(--brand); color: #fff; }

/* 卡片：hover 轻微上浮 + 阴影加深 */
.card {
  border: 1px solid rgb(226 232 240 / .9); border-radius: 1rem; background: #fff;
  box-shadow: 0 1px 2px rgba(15,23,42,.04);
  transition: transform .28s cubic-bezier(.4,0,.2,1), box-shadow .28s, border-color .28s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 32px -12px rgba(15,23,42,.22); border-color: var(--brand); }
.dark .card { border-color: rgb(30 41 59); background: rgb(15 23 42); }
.dark .card:hover { box-shadow: 0 18px 32px -12px rgba(0,0,0,.6); }

.card-title { transition: color .2s; }
.card:hover .card-title { color: var(--brand); }

/* 排行序号 */
.rank-no {
  width: 1.5rem; height: 1.5rem; display: grid; place-items: center;
  border-radius: .375rem; font-size: .75rem; font-weight: 700;
}
.rank-top { background: var(--accent); color: #fff; }
.rank-normal { background: rgb(241 245 249); color: rgb(100 116 139); }
.dark .rank-normal { background: rgb(30 41 59); color: rgb(148 163 184); }

/* 正文排版 */
/* Article body typography (used on detail pages) */
.prose-en p { margin-bottom: 1.15rem; }
.prose-en { font-size: 1rem; line-height: 1.95; }
.prose-en p:first-of-type::first-letter { font-size: 1.05em; font-weight: 600; }

/* 动画 */
.fade-up { animation: fadeUp .5s cubic-bezier(.22,1,.36,1) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* 滚动条（标签云横向滚动隐藏） */
.no-bar::-webkit-scrollbar { display: none; }
.no-bar { -ms-overflow-style: none; scrollbar-width: none; }

/* 截断 */
.clamp-1, .clamp-2, .clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.clamp-1 { -webkit-line-clamp: 1; }
.clamp-2 { -webkit-line-clamp: 2; }
.clamp-3 { -webkit-line-clamp: 3; }