/* ==========================================================================
   奇闻中国 qiwen.cn — 前台界面演示样式
   风格:编辑排版(社论网格)+ 新闻红 + 明暗双主题
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  color-scheme: light;

  /* 色板(基准色来自 ui-ux-pro-max 推荐的新闻编辑类配色) */
  --bg: #F6F4F0;
  --card: #FFFFFF;
  --fg: #1B1917;
  --fg-2: #5A544E;
  --fg-3: #94897D;
  --border: #E7E2D9;
  --border-strong: #D6CFC2;
  --primary: #DC2626;
  --primary-hover: #B91C1C;
  --primary-ink: #7F1D1D;
  --primary-soft: #FCEBEA;
  --on-primary: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(27, 25, 23, .05), 0 4px 16px -8px rgba(27, 25, 23, .10);
  --shadow-md: 0 2px 4px rgba(27, 25, 23, .06), 0 16px 32px -16px rgba(27, 25, 23, .18);

  /* 字体:Latin/数字用 Georgia 衬线,CJK 回退宋体系(标题);正文系统黑体 */
  --font-serif: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-md: 15px;
  --fs-lg: 17px;

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --container: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #131110;
  --card: #1D1A18;
  --fg: #ECE7E0;
  --fg-2: #AEA49A;
  --fg-3: #7E746A;
  --border: #2E2A26;
  --border-strong: #3C3630;
  --primary: #F1574F;
  --primary-hover: #FF6F66;
  --primary-ink: #FCA5A0;
  --primary-soft: #33201E;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, .5), 0 20px 40px -20px rgba(0, 0, 0, .6);
}

/* ---------- 2. 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  transition: background-color .25s var(--ease), color .25s var(--ease);
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }

h1, h2, h3, h4 { margin: 0; line-height: 1.35; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

figure { margin: 0; }

::selection { background: var(--primary); color: #fff; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 200;
  padding: 8px 16px;
  background: var(--primary); color: #fff;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; color: #fff; }

/* ---------- 3. 图标 ---------- */
.icon {
  width: 1em; height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
  vertical-align: -0.125em;
}

/* ---------- 4. 通用组件 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  white-space: nowrap;
}
.chip--solid { background: var(--primary); color: var(--on-primary); }

.chip-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--fg-3);
}
.meta .icon { width: 13px; height: 13px; }
.meta time { white-space: nowrap; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  color: var(--fg-2);
  transition: background-color .18s var(--ease), color .18s var(--ease);
}
.icon-btn:hover { background: var(--primary-soft); color: var(--primary); }
.icon-btn .icon { width: 18px; height: 18px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: 9px 20px;
  font-size: var(--fs-md); font-weight: 600;
  color: var(--on-primary);
  background: var(--primary);
  border-radius: var(--radius-sm);
  transition: background-color .18s var(--ease), transform .18s var(--ease);
}
.btn:hover { background: var(--primary-hover); color: var(--on-primary); }
.btn:active { transform: translateY(1px); }
.btn--ghost {
  color: var(--fg-2);
  background: transparent;
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover { color: var(--primary); border-color: var(--primary); background: transparent; }

/* 缩略图占位(JS 生成 SVG;无 JS 时为纯色渐变) */
.thumb {
  display: block;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 28%, #3a3632), #23201d);
  border-radius: var(--radius-sm);
}
.thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.thumb img[data-pending] { opacity: 0; }
.thumb img[data-ready] { opacity: 1; transition: opacity .3s var(--ease); }

/* 骨架 */
@keyframes qw-pulse { 0%, 100% { opacity: .55; } 50% { opacity: .9; } }
.thumb img[data-pending] + .ph { animation: qw-pulse 1.4s ease-in-out infinite; }

/* 卡片 */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 32px; z-index: 300;
  transform: translate(-50%, 16px);
  padding: 10px 20px;
  max-width: min(90vw, 420px);
  font-size: var(--fs-sm);
  color: #fff;
  background: rgba(27, 25, 23, .92);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }
[data-theme="dark"] .toast { background: rgba(240, 235, 228, .95); color: #1B1917; }

/* ---------- 5. 页头 ---------- */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); }

.topbar {
  font-size: var(--fs-xs);
  color: var(--fg-3);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 34px;
}
.topbar-actions { display: flex; align-items: center; gap: var(--sp-3); }
.topbar-quote { letter-spacing: .08em; }

.masthead-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6);
  padding-top: var(--sp-5); padding-bottom: var(--sp-5);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand:hover { color: inherit; }
.brand-seal {
  display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  font-family: var(--font-serif);
  font-size: 30px; font-weight: 700;
  color: #fff;
  background: var(--primary);
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .28), var(--shadow-sm);
}
.brand-name {
  display: block;
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.2;
}
.brand-sub {
  display: block;
  font-size: var(--fs-xs);
  color: var(--fg-3);
  letter-spacing: .2em;
}

.search {
  display: flex; align-items: center;
  width: min(400px, 42vw);
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg);
  overflow: hidden;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.search input {
  flex: 1; min-width: 0;
  padding: 9px 18px;
  font: inherit; font-size: var(--fs-sm);
  color: inherit;
  background: transparent;
  border: 0; outline: none;
}
.search button {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  font-size: var(--fs-sm); font-weight: 600;
  color: #fff;
  background: var(--primary);
  transition: background-color .18s var(--ease);
}
.search button:hover { background: var(--primary-hover); }
.search .icon { width: 15px; height: 15px; }

.mainnav {
  position: sticky; top: 0; z-index: 100;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
}
.mainnav-list {
  display: flex; align-items: stretch;
  overflow-x: auto;
  scrollbar-width: none;
}
.mainnav-list::-webkit-scrollbar { display: none; }
.mainnav-list a {
  position: relative;
  display: flex; align-items: center;
  padding: 0 18px;
  height: 48px;
  font-size: var(--fs-md);
  font-weight: 500;
  white-space: nowrap;
  color: var(--fg-2);
  transition: color .18s var(--ease);
}
.mainnav-list a:hover { color: var(--primary); }
.mainnav-list a.is-active { color: var(--primary); font-weight: 700; }
.mainnav-list a.is-active::after {
  content: "";
  position: absolute; left: 16px; right: 16px; bottom: 0;
  height: 3px; border-radius: 3px 3px 0 0;
  background: var(--primary);
}
.mainnav-list .nav-photo a, .mainnav-list .nav-ps a { color: var(--primary-ink); gap: 6px; }
.mainnav-list .nav-photo .icon, .mainnav-list .nav-ps .icon { width: 15px; height: 15px; }

/* ---------- 6. 页脚 ---------- */
.site-footer {
  margin-top: var(--sp-8);
  background: var(--card);
  border-top: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--fg-2);
}
.footer-simple { padding-top: var(--sp-5); padding-bottom: var(--sp-5); }
.footer-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-4);
}
.footer-row .brand { gap: 10px; }
.footer-row .brand-seal { width: 34px; height: 34px; font-size: 18px; border-radius: var(--radius-sm); }
.footer-row .brand-name { font-size: 20px; letter-spacing: .1em; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); font-size: var(--fs-sm); }
.footer-links a { color: var(--fg-2); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-2);
  padding-top: var(--sp-4); padding-bottom: var(--sp-5);
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--fg-3);
}

/* ---------- 7. 布局骨架 ---------- */
.page-body { padding-top: var(--sp-4); }
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--sp-6);
  align-items: start;
}
.layout-main { min-width: 0; }

/* ---------- 8. 区块标题 ---------- */
.sec-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-4);
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-4);
  border-bottom: 2px solid var(--fg);
}
.sec-head h2 {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-serif);
  font-size: 21px;
  letter-spacing: .06em;
}
.sec-head h2::before {
  content: "";
  width: 8px; height: 20px;
  background: var(--primary);
  border-radius: 2px;
}
.sec-head .sec-count { font-size: var(--fs-xs); color: var(--fg-3); font-family: var(--font-sans); }
.sec-more {
  font-size: var(--fs-sm);
  color: var(--fg-3);
  display: inline-flex; align-items: center; gap: 3px;
}
.sec-more:hover { color: var(--primary); }
.sec-more .icon { width: 14px; height: 14px; }

.sec-block { margin-bottom: var(--sp-7); }
.sec-block--flush { margin-bottom: 0; }

/* ---------- 9. 首页 ---------- */
/* 快讯滚动条 */
.ticker {
  display: flex; align-items: stretch;
  margin-top: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.ticker-label {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-size: var(--fs-sm); font-weight: 700;
  color: #fff;
  background: var(--primary);
  flex: none;
}
.ticker-label .icon { width: 14px; height: 14px; }
.ticker-viewport { overflow: hidden; flex: 1; display: flex; align-items: center; }
.ticker-track {
  display: flex; align-items: center;
  white-space: nowrap;
  animation: ticker-move 60s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 28px;
  font-size: var(--fs-sm);
  color: var(--fg-2);
}
.ticker-track a:hover { color: var(--primary); }
.ticker-track .t-cat { color: var(--primary); font-weight: 600; }
@keyframes ticker-move { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* 头条区 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--sp-5);
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.hero { align-items: stretch; }
.hero-lead { position: relative; min-width: 0; display: flex; }
.hero-lead .thumb {
  flex: 1;
  position: relative;
  min-height: 380px;
  border-radius: var(--radius-md);
}
.hero-overlay {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: var(--sp-7) var(--sp-5) var(--sp-4);
  background: linear-gradient(to top, rgba(10, 8, 7, .88) 0%, rgba(10, 8, 7, .42) 52%, rgba(10, 8, 7, 0) 100%);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: #fff;
}
.hero-overlay .chip-row { margin-bottom: var(--sp-2); }
.hero-overlay .chip {
  color: #fff;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .3);
  backdrop-filter: blur(4px);
}
.hero-overlay .chip--solid { background: var(--primary); border-color: var(--primary); }
.hero-overlay h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: .01em;
  color: #fff;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .45);
}
.hero-overlay h2 a { color: #fff; }
.hero-overlay h2 a:hover { color: var(--primary-ink); }
.hero-overlay .excerpt {
  margin: var(--sp-2) 0 var(--sp-3);
  color: rgba(255, 255, 255, .82);
  font-size: var(--fs-md);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hero-overlay .meta { color: rgba(255, 255, 255, .68); }
.hero-overlay .meta .icon { color: rgba(255, 255, 255, .55); }
.hero-news {
  min-width: 0; /* 防止 grid 子项被 nowrap 列表固有宽度撑破栅格 */
  padding: var(--sp-4) var(--sp-5) var(--sp-2);
}
.hero-news .sec-head { margin-bottom: var(--sp-2); }
.hero-news .newsflash-list li { padding: 9px 0; }
.hero-lead { min-width: 0; }

/* 主体两栏 */
.home-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--sp-6);
  align-items: stretch;
  margin-top: 0;
}

/* 最新动态 */
.newsflash-list li {
  display: flex; align-items: baseline; gap: var(--sp-3);
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}
.newsflash-list time {
  flex: none;
  font-size: var(--fs-xs);
  font-family: var(--font-serif);
  color: var(--fg-3);
}
.newsflash-list .nf-cat { font-size: var(--fs-xs); color: var(--primary); flex: none; }
.newsflash-list a {
  flex: 1; min-width: 0;
  font-size: var(--fs-md);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* 栏目区块:一行三列(每两行一个通栏广告位) */
.cat-duo {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}
/* 栏目区块:大类页侧栏布局内两列(≤880/600px 断点随 .cat-duo 降级) */
.cat-duo--inmain { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ad-banner {
  display: flex; align-items: center; justify-content: center; gap: var(--sp-3);
  min-height: 96px;
  margin-bottom: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  background: var(--card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--fg-3);
  font-size: var(--fs-sm);
}
.ad-banner .chip--solid { flex: none; }
.ad-banner--tail { margin: var(--sp-5) 0; }

/* ---------- 右侧悬浮功能组 ---------- */
.float-nav {
  position: fixed;
  right: max(12px, calc(50% - 670px));
  bottom: 88px;
  z-index: 60;
  display: flex; flex-direction: column;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.float-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  width: 54px;
  padding: 9px 4px 7px;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--fg-2);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}
.float-btn .icon { width: 18px; height: 18px; }
.float-btn:hover { color: var(--primary); background: var(--primary-soft); }
.float-btn.is-disabled { color: var(--fg-3); opacity: .45; cursor: not-allowed; }
.float-btn.is-disabled:hover { color: var(--fg-3); background: none; }
.float-sep { display: block; height: 1px; margin: 3px 6px; background: var(--border); }
.float-top { opacity: 0; pointer-events: none; transform: translateY(6px); }
.float-top.is-show { opacity: 1; pointer-events: auto; transform: none; transition: opacity .2s var(--ease), transform .2s var(--ease), color .18s var(--ease), background-color .18s var(--ease); }

/* 竖版广告位(9:16) */
.ad-v-media {
  position: relative;
  aspect-ratio: 9 / 16;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg);
}
.ad-v-media img { width: 100%; height: 100%; object-fit: cover; }
.ad-v-media .chip { position: absolute; top: 10px; left: 10px; }
/* 比例变体:1:1 方形 / 3:4 竖版 */
.ad-v-media--square { aspect-ratio: 1 / 1; }
.ad-v-media--34 { aspect-ratio: 3 / 4; }
.ad-v-label {
  position: absolute;
  inset: auto 12px 12px;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: rgba(255, 255, 255, .88);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .45);
}
.cat-block { padding: var(--sp-4) var(--sp-5) var(--sp-2); }
.cat-block .sec-head { margin-bottom: var(--sp-3); }
.cat-block .sec-head h2 { font-size: 19px; }
.cat-block .cat-lead .thumb { aspect-ratio: 4 / 3; margin-bottom: var(--sp-3); }
.cat-block .cat-lead h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cat-block .cat-lead .meta { margin: 4px 0 var(--sp-2); }
.cat-block .cat-rows li { padding: 8px 0; }
.cat-rows li {
  padding: var(--sp-3) 0;
  border-bottom: 1px dashed var(--border);
}
.cat-rows li:last-child { border-bottom: 0; }
.cat-rows a {
  display: block;
  font-size: var(--fs-md);
  font-weight: 500;
  line-height: 1.6;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cat-rows .meta { margin-top: 2px; }

/* 图片频道网格:一行 3 个 × 3 行 */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-4);
}
.photo-grid .photo-card {
  padding: var(--sp-3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.photo-grid .photo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}
.photo-card .thumb { aspect-ratio: 4 / 3; }
.photo-card h3 {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.photo-card .meta { margin-top: 4px; }

/* ---------- 10. 侧栏 ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-width: 0;
}
.sidebar > .side-card:last-child { margin-top: auto; }
.side-card { padding: var(--sp-5); }
.side-card > h2 {
  display: flex; align-items: center; gap: 8px;
  font-size: var(--fs-md);
  letter-spacing: .1em;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--border);
}
.side-card > h2 .icon { width: 16px; height: 16px; color: var(--primary); }

/* 热门排行 */
.top-list { counter-reset: rank; }
.top-list li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px; align-items: start; padding: 9px 0; }
.top-list li + li { border-top: 1px dashed var(--border); }
.top-list li::before {
  counter-increment: rank;
  content: counter(rank, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg-3);
}
.top-list li:nth-child(-n+3)::before { color: var(--primary); }
.top-list a {
  font-size: var(--fs-sm);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.top-list .meta { margin-top: 3px; }

/* 侧栏迷你图片格 */
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.mini-grid .thumb { aspect-ratio: 4 / 3; }
.mini-grid a { display: block; }
.mini-grid span {
  display: block; margin-top: 6px;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--fg-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 标签云 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag-cloud a {
  padding: 3px 12px;
  font-size: var(--fs-xs);
  color: var(--fg-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: all .18s var(--ease);
}
.tag-cloud a:hover {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

/* 侧栏最新文章(复用栏目行样式,更紧凑) */
.side-news li { padding: var(--sp-2) 0; }
.side-news a { font-size: var(--fs-sm); }

/* 公告卡 */
.notice-card {
  padding: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--fg-2);
  background: var(--primary-soft);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius: var(--radius-md);
  line-height: 1.8;
}
.notice-card strong { color: var(--primary-ink); }

/* ---------- 11. 分类页 ---------- */
.cat-header { padding-top: var(--sp-6); }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: var(--fs-sm);
  color: var(--fg-3);
  margin-bottom: var(--sp-4);
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .icon { width: 13px; height: 13px; }
.breadcrumb .current { color: var(--fg); }

.cat-hero {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--sp-5);
  margin-bottom: var(--sp-5);
  padding: var(--sp-5) var(--sp-6);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute; inset: 0 auto 0 0;
  width: 6px;
  background: var(--primary);
}
.cat-hero-info h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  letter-spacing: .1em;
}
.cat-hero-info .cat-en {
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  color: var(--fg-3);
  letter-spacing: .12em;
  margin-left: var(--sp-3);
}
.cat-hero-info p { margin: var(--sp-2) 0 0; color: var(--fg-2); font-size: var(--fs-md); max-width: 560px; }
.cat-hero-count { text-align: right; flex: none; }
.cat-hero-count strong {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1;
  color: var(--primary);
}
.cat-hero-count span { display: block; font-size: var(--fs-xs); color: var(--fg-3); margin-top: 4px; }
/* 标题块内子栏目导航(独占一行,标签放大) */
.cat-hero .chip-row--hero {
  flex: 1 1 100%;
  margin-top: var(--sp-2);
  padding-top: var(--sp-4);
  border-top: 1px dashed var(--border);
}
.chip-row--hero .chip { padding: 7px 18px; font-size: var(--fs-md); }
.chip-row--hero a.chip:hover { background: var(--primary); color: var(--on-primary); }

/* 工具条 */
.toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  margin: var(--sp-5) 0 var(--sp-4);
  padding: var(--sp-2) var(--sp-3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: var(--sp-2); }
.toolbar-label { font-size: var(--fs-sm); color: var(--fg-3); margin-right: 2px; }

.seg {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
}
.seg button {
  padding: 5px 16px;
  font-size: var(--fs-sm);
  color: var(--fg-2);
  border-radius: 999px;
  transition: all .18s var(--ease);
}
.seg button[aria-pressed="true"] {
  color: #fff;
  background: var(--primary);
  font-weight: 600;
}
.seg button:not([aria-pressed="true"]):hover { color: var(--primary); }

.view-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.view-toggle button {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 30px;
  color: var(--fg-3);
  transition: all .18s var(--ease);
}
.view-toggle button[aria-pressed="true"] { color: #fff; background: var(--primary); }
.view-toggle button + button { border-left: 1px solid var(--border); }
.view-toggle .icon { width: 15px; height: 15px; }

/* 列表(图文行) */
.article-list { display: grid; gap: var(--sp-4); }
.article-row {
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr);
  gap: var(--sp-5);
  padding: var(--sp-4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.article-row:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.article-row .thumb { aspect-ratio: 16 / 10; }
.article-row h2 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: var(--sp-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-row h2 a:hover { color: var(--primary); }
.article-row .excerpt {
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-md);
  color: var(--fg-2);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 紧凑视图(卡片网格) */
.article-list.is-compact { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.article-list.is-compact .article-row {
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-3);
}
.article-list.is-compact .article-row .thumb { aspect-ratio: 16 / 9; }
.article-list.is-compact h2 { font-size: var(--fs-md); font-weight: 600; margin-bottom: 2px; }
.article-list.is-compact .excerpt { display: none; }
.article-list.is-compact .meta { gap: var(--sp-2); }

/* 分页 */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: var(--sp-2);
  margin-top: var(--sp-6);
}
.pagination a, .pagination span {
  min-width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 10px;
  font-size: var(--fs-sm);
  font-family: var(--font-serif);
  color: var(--fg-2);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .18s var(--ease);
}
.pagination a:hover { color: var(--primary); border-color: var(--primary); }
.pagination .is-current {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 700;
}
.pagination .is-disabled { color: var(--fg-3); opacity: .6; cursor: not-allowed; }

/* ---------- 12. 新闻详情页 ---------- */
.article-wrap { padding-top: var(--sp-6); }
/* 文章页侧栏较长时按自然顺序排列,不做底边对齐(区别于首页侧栏) */
.article-wrap .sidebar > .side-card:last-child { margin-top: 0; }
.article-main { min-width: 0; }

.article-head { padding: 0 var(--sp-2); }
.article-head .chip-row { margin-bottom: var(--sp-4); }
.article-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.4;
}
.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4);
  margin-top: var(--sp-4);
  padding: var(--sp-3) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--fg-3);
}
.article-meta .am-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .icon { width: 14px; height: 14px; }
.article-meta .am-source strong { color: var(--fg-2); font-weight: 600; }
.fontsize-ctl { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
.fontsize-ctl button {
  min-width: 30px; height: 26px;
  padding: 0 8px;
  font-size: var(--fs-xs); font-weight: 700;
  color: var(--fg-2);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: all .15s var(--ease);
}
.fontsize-ctl button:hover { color: #fff; background: var(--primary); border-color: var(--primary); }

/* 正文排版 */
.prose {
  --article-fs: 17.5px;
  max-width: 720px;
  margin: var(--sp-6) auto 0;
  font-size: var(--article-fs);
  line-height: 2;
  text-align: justify;
  transition: font-size .15s var(--ease);
}
.prose p {
  margin: 0 0 .5em;
  text-indent: 2em;
  orphans: 2; widows: 2;
}
/* 首段为首字下沉,按报刊体例不再首行缩进 */
.prose > p:first-of-type { text-indent: 0; }
.prose > p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 2.8em;
  font-weight: 700;
  float: left;
  line-height: 1.1;
  margin: 6px 10px 0 0;
  color: var(--primary);
}
.prose blockquote p { text-indent: 0; }
/* 首段为独立首图段时(采集文章),首字下沉与免缩进顺延到其后的文本段 */
.prose > p:first-of-type:has(img) + p { text-indent: 0; }
.prose > p:first-of-type:has(img) + p::first-letter {
  font-family: var(--font-serif);
  font-size: 2.8em;
  font-weight: 700;
  float: left;
  line-height: 1.1;
  margin: 6px 10px 0 0;
  color: var(--primary);
}
.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.35em;
  margin: 2em 0 1em;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}
.prose figure { margin: 1.8em 0; }
.prose figure .thumb { border-radius: var(--radius-md); }
.prose figcaption {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--fg-3);
  text-align: center;
  line-height: 1.6;
}
.prose blockquote {
  margin: 1.8em 0;
  padding: var(--sp-4) var(--sp-5);
  background: var(--card);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--fg-2);
  font-size: .95em;
  box-shadow: var(--shadow-sm);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose .article-end {
  display: flex; align-items: center; gap: var(--sp-3);
  margin: 2.4em 0;
  color: var(--fg-3);
  font-size: var(--fs-sm);
  letter-spacing: .3em;
}
.prose .article-end::before, .prose .article-end::after {
  content: "";
  flex: 1; height: 1px;
  background: var(--border);
}
.article-disclaimer {
  max-width: 720px;
  margin: var(--sp-5) auto 0;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-xs);
  color: var(--fg-3);
  background: var(--card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  line-height: 1.8;
}
.article-tags {
  display: flex; align-items: center; gap: var(--sp-2);
  max-width: 720px;
  margin: var(--sp-4) auto 0;
  flex-wrap: wrap;
}
.article-tags .tags-label {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--fs-sm);
  color: var(--fg-3);
}
.article-tags .tags-label .icon { width: 14px; height: 14px; }

/* 上下篇 */
.prevnext {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4);
  max-width: 720px;
  margin: var(--sp-6) auto 0;
}
.prevnext a {
  padding: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--fg-2);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all .18s var(--ease);
  line-height: 1.6;
}
.prevnext a:hover { color: var(--primary); border-color: var(--primary); }
.prevnext a span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--fg-3);
  margin-bottom: 4px;
}
.prevnext .pn-next { text-align: right; }

/* 相关阅读 */
.related { margin-top: var(--sp-7); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-4);
}
.related-grid .thumb { aspect-ratio: 16 / 10; }
.related-grid h3 {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
/* 侧栏版相关阅读(文章页):两列小卡 */
.related-grid--side { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
.related-grid--side h3 { font-size: var(--fs-xs); line-height: 1.55; }

/* ---------- 13. 图片页 ---------- */
.gallery-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-5);
  padding-top: var(--sp-6);
  margin-bottom: var(--sp-5);
}
.gallery-head h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  letter-spacing: .1em;
  display: flex; align-items: center; gap: var(--sp-3);
}
.gallery-head h1 .icon { width: 30px; height: 30px; color: var(--primary); }
.gallery-head p { margin: var(--sp-2) 0 0; color: var(--fg-2); font-size: var(--fs-md); }

.gallery-featured {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--sp-5);
}
.gallery-featured .thumb { aspect-ratio: 21 / 9; border-radius: 0; }
.gallery-featured::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 8, 8, .82) 0%, rgba(10, 8, 8, .18) 45%, transparent 70%);
}
.gallery-featured figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  color: #fff;
}
.gallery-featured h2 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: .04em;
}
.gallery-featured .gf-count {
  flex: none;
  padding: 6px 16px;
  font-size: var(--fs-sm); font-weight: 600;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

/* 瀑布流(CSS columns) */
.photo-masonry { columns: 3; column-gap: var(--sp-4); }
.photo-masonry .photo-card {
  break-inside: avoid;
  margin-bottom: var(--sp-4);
  padding: var(--sp-3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  cursor: pointer;
}
.photo-masonry .photo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}
.photo-masonry .thumb { aspect-ratio: 4 / 3; }
.photo-masonry h3 {
  margin-top: var(--sp-3);
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.photo-masonry .meta { margin-top: var(--sp-1); }
.photo-masonry .meta .pic-count { display: inline-flex; align-items: center; gap: 4px; color: var(--primary); }
.photo-masonry.is-hidden { display: none; }

.load-more-wrap { display: flex; justify-content: center; margin-top: var(--sp-5); }

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 250;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8, 6, 5, .92);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lb-stage { max-width: min(1100px, 92vw); width: 100%; padding: 0 56px; }
.lb-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .6);
}
.lb-img img { width: 100%; height: 100%; object-fit: cover; }
.lb-caption {
  margin-top: var(--sp-4);
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-4);
  color: #E8E3DC;
}
.lb-caption h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .03em;
}
.lb-caption .lb-count { font-size: var(--fs-sm); color: #9A9188; font-family: var(--font-serif); }
.lb-btn {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  color: #E8E3DC;
  background: rgba(255, 255, 255, .1);
  border-radius: 50%;
  transition: all .18s var(--ease);
}
.lb-btn:hover { background: var(--primary); color: #fff; }
.lb-btn .icon { width: 20px; height: 20px; }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }
.lb-close {
  position: absolute; top: 18px; right: 18px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: #E8E3DC;
  background: rgba(255, 255, 255, .1);
  border-radius: 50%;
  transition: all .18s var(--ease);
}
.lb-close:hover { background: var(--primary); color: #fff; }
.lb-close .icon { width: 20px; height: 20px; }

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1080px) {
  .layout, .home-cols { grid-template-columns: minmax(0, 1fr) 280px; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .photo-masonry { columns: 2; }
}

@media (max-width: 880px) {
  .masthead-inner { flex-direction: column; align-items: stretch; gap: var(--sp-4); padding-top: var(--sp-4); padding-bottom: var(--sp-4); }
  .search { width: 100%; }
  .layout, .home-cols { grid-template-columns: minmax(0, 1fr); }
  .float-nav { right: 12px; bottom: 20px; }
  .float-nav > :not(#qwAssistBtn) { display: none; }
  .sidebar { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .sidebar > .side-card:last-child { margin-top: 0; }
  .hero { grid-template-columns: 1fr; }
  .hero-lead .thumb { flex: none; aspect-ratio: 16 / 10; min-height: 0; }
  .hero-overlay { padding: var(--sp-6) var(--sp-4) var(--sp-3); }
  .cat-duo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cat-rows a { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .article-row { grid-template-columns: 150px minmax(0, 1fr); gap: var(--sp-4); }
  .article-row h2 { font-size: var(--fs-lg); }
}

@media (max-width: 600px) {
  .topbar-quote { display: none; }
  .brand-name { font-size: 24px; }
  .brand-seal { width: 44px; height: 44px; font-size: 25px; }
  .mainnav-list a { padding: 0 14px; height: 44px; font-size: var(--fs-sm); }
  .article-row { grid-template-columns: 118px minmax(0, 1fr); gap: var(--sp-3); padding: var(--sp-3); }
  .article-row h2 { font-size: var(--fs-md); }
  .article-row .excerpt { display: none; }
  .article-list.is-compact { grid-template-columns: minmax(0, 1fr); }
  .cat-hero { flex-direction: column; align-items: flex-start; padding: var(--sp-5); }
  .cat-hero-count { text-align: left; }
  .cat-hero-count strong { font-size: 32px; }
  .cat-hero-info h1 { font-size: 26px; }
  .gallery-head h1 { font-size: 26px; }
  .photo-masonry { columns: 1; }
  .cat-duo { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .related-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
  .prevnext { grid-template-columns: 1fr; }
  .article-meta .fontsize-ctl { margin-left: 0; }
  .lb-stage { padding: 0 12px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-btn, .lb-close { width: 38px; height: 38px; }
}

/* ---------- 15. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .ticker-track { animation: none; }
}