/* ==========================================================================
   快讯站前台样式
   设计目标：阅读优先、首屏快、移动端友好；无外部字体与框架依赖。
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-card: #ffffff;
  --fg: #16181d;
  --fg-2: #5b6472;
  --fg-3: #8b94a3;
  --line: #e7e9ee;
  --accent: #d7263d;
  --accent-soft: #fdeef0;
  --radius: 10px;
  --wrap: 1180px;
  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-soft: #15181e;
    --bg-card: #14171c;
    --fg: #e9ebef;
    --fg-2: #a2abb8;
    --fg-3: #7b8494;
    --line: #252b34;
    --accent: #ff5f6f;
    --accent-soft: #2a1a1e;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

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

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  z-index: 99;
}
.skip:focus { left: 8px; top: 8px; }

/* ---------- 头部 ---------- */
.hdr {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.hdr__in {
  display: flex;
  align-items: center;
  gap: 26px;
  height: 58px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .2px;
}

.brand__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--fg-2);
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1 1 0;
  min-width: 0;            /* 关键：允许 flex 子项收缩，避免撑破移动端布局 */
  -webkit-overflow-scrolling: touch;
}
.nav::-webkit-scrollbar { display: none; }
.nav a { white-space: nowrap; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--fg); }
.nav a.is-on { color: var(--fg); border-bottom-color: var(--accent); }

.search-btn {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--fg-2);
  cursor: pointer;
}
.search-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 主体 ---------- */
.main { padding: 26px 20px 64px; min-height: calc(100vh - 300px); }

.page-detail .main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 56px;
  align-items: start;
}

.list-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 48px;
  align-items: start;
}

/* ---------- 首页 ---------- */
.home-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}

.home-hero__title {
  margin: 0;
  font-size: 27px;
  line-height: 1.2;
  letter-spacing: -.4px;
}

.home-hero__slogan {
  margin: 6px 0 0;
  color: var(--fg-2);
  font-size: 14px;
}

.home-hero__stat {
  margin: 0;
  color: var(--fg-3);
  font-size: 13px;
  white-space: nowrap;
}
.home-hero__stat b { color: var(--accent); font-weight: 600; }

.lead-story {
  margin-bottom: 26px;
  padding: 22px 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-soft), transparent 70%);
  border: 1px solid var(--line);
}

.lead-story__link { display: block; }

.lead-story__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .8px;
  color: #fff;
  background: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.lead-story__title {
  margin: 0 0 8px;
  font-size: 25px;
  line-height: 1.35;
  letter-spacing: -.3px;
}

.lead-story__desc {
  margin: 0 0 12px;
  color: var(--fg-2);
  font-size: 14.5px;
  max-width: 62ch;
  overflow-wrap: anywhere;
}

.lead-story__meta {
  display: flex;
  gap: 10px;
  font-size: 12.5px;
  color: var(--fg-3);
}

.feed__hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}

.feed__title {
  margin: 0;
  font-size: 15px;
  letter-spacing: .5px;
  color: var(--fg-2);
  font-weight: 600;
}

.feed__more { font-size: 13px; color: var(--fg-3); }
.feed__more:hover { color: var(--accent); }

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 34px;
}

.list-main .cards { grid-template-columns: 1fr; }

.card { border-bottom: 1px solid var(--line); }

.card__link {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  align-items: flex-start;
}

.card__thumb {
  flex: 0 0 auto;
  width: 132px;
  height: 88px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-soft);
}

.card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.card__link:hover .card__thumb img { transform: scale(1.04); }

.card__body { min-width: 0; flex: 1 1 auto; display: block; }

.card__title {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -.1px;
}

.card__desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-2);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 7px;
  font-size: 12px;
  color: var(--fg-3);
}

.card__src { color: var(--fg-2); }

.dot { opacity: .5; }

.empty {
  padding: 40px 0;
  color: var(--fg-3);
  font-size: 14px;
}

/* ---------- 来源云 ---------- */
.src-cloud { margin-top: 46px; padding-top: 26px; border-top: 1px solid var(--line); }
.src-cloud__title { margin: 0 0 14px; font-size: 14px; color: var(--fg-2); font-weight: 600; }
.src-cloud__list { display: flex; flex-wrap: wrap; gap: 9px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid transparent;
  font-size: 13px;
  color: var(--fg-2);
}
.chip em { font-style: normal; font-size: 11px; color: var(--fg-3); }
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--bg); }

/* ---------- 列表页 ---------- */
.list-head { margin-bottom: 20px; }

.crumb {
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 12.5px;
  color: var(--fg-3);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.crumb a { color: var(--fg-2); }
.crumb a:hover { color: var(--accent); }
.crumb__cur { color: var(--fg-3); }

.list-head__title {
  margin: 0;
  font-size: 24px;
  letter-spacing: -.3px;
}
.list-head__title small {
  margin-left: 10px;
  font-size: 13px;
  font-weight: 400;
  color: var(--fg-3);
}

.list-side {
  position: sticky;
  top: 78px;
  padding-top: 6px;
}

.side-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .6px;
  color: var(--fg-3);
}

.side-list { list-style: none; margin: 0 0 18px; padding: 0; }
.side-list li { border-bottom: 1px dashed var(--line); }
.side-list a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  font-size: 13.5px;
  color: var(--fg-2);
}
.side-list a:hover { color: var(--accent); }
.side-list em { font-style: normal; color: var(--fg-3); font-size: 12px; }

.side-rss {
  display: inline-block;
  font-size: 12.5px;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}
.side-rss:hover { border-bottom-color: var(--accent); }

/* ---------- 分页 ---------- */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 34px 0 10px;
  flex-wrap: wrap;
}

.pager__btn,
.pager__num {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  color: var(--fg-2);
  background: var(--bg);
}

.pager__num { padding: 0 9px; }
.pager__btn:hover, .pager__num:hover { border-color: var(--accent); color: var(--accent); }
.pager__num.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager__btn.is-off { opacity: .4; }
.pager__gap { color: var(--fg-3); padding: 0 2px; }

/* ---------- 详情页 ---------- */
.post { min-width: 0; }

.post__title {
  margin: 4px 0 12px;
  font-size: 29px;
  line-height: 1.38;
  letter-spacing: -.5px;
  font-weight: 700;
}

.post__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--fg-3);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.post__src { color: var(--fg-2); font-weight: 500; }
.post__cat { color: var(--accent); }

.post__cover { margin: 22px 0 0; }
.post__cover img { border-radius: 12px; width: 100%; }

.post__summary {
  margin: 22px 0;
  padding: 15px 18px;
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}
.post__summary p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fg-2);
}

.post__body {
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--fg);
  word-break: break-word;
}

.post__body p { margin: 0 0 1.15em; }

.post__body h2,
.post__body h3 {
  margin: 1.8em 0 .7em;
  line-height: 1.45;
  letter-spacing: -.2px;
}
.post__body h2 { font-size: 20px; }
.post__body h3 { font-size: 17.5px; }

.post__body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.post__body img { border-radius: 8px; margin: 8px 0; }
.post__body blockquote {
  margin: 1.2em 0;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--line);
  color: var(--fg-2);
  font-size: 15.5px;
}
.post__body ul, .post__body ol { padding-left: 1.3em; margin: 0 0 1.15em; }
.post__body li { margin: .35em 0; }
.post__body pre {
  background: var(--bg-soft);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
}
.post__body code {
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: .92em;
}
.post__body table { display: block; overflow-x: auto; border-collapse: collapse; margin: 1em 0; font-size: 14px; }
.post__body th, .post__body td { border: 1px solid var(--line); padding: 7px 10px; }

.post__origin {
  margin: 30px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  color: var(--fg-3);
}
.post__origin a { color: var(--fg-2); text-decoration: underline; }
.post__origin span { display: block; margin-top: 3px; }

/* 上下篇 */
.post__pager {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.post__pager-item {
  flex: 1 1 240px;
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}
.post__pager-item:hover { border-color: var(--accent); }
.post__pager-label { display: block; font-size: 11.5px; color: var(--fg-3); margin-bottom: 3px; }
.post__pager-title {
  display: block;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.post__pager-item.is-next { text-align: right; }

/* 相关阅读 */
.related { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); }
.related__title { margin: 0 0 12px; font-size: 14px; color: var(--fg-2); font-weight: 600; }
.related__list { list-style: none; margin: 0; padding: 0; }
.related__list li {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}
.related__list a { min-width: 0; }
.related__list time { flex: 0 0 auto; font-size: 12px; color: var(--fg-3); }

/* 详情侧栏 */
.post-side { position: sticky; top: 78px; padding-top: 4px; }

.rank-list { list-style: none; margin: 0 0 16px; padding: 0; counter-reset: r; }
.rank-list li {
  counter-increment: r;
  display: flex;
  gap: 9px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg-2);
}
.rank-list li::before {
  content: counter(r);
  flex: 0 0 auto;
  width: 17px;
  color: var(--fg-3);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.rank-list a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 索引/推荐位（低调样式） ---------- */
.index-box {
  margin: 34px 0 0;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: transparent;
}
.index-box__title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .4px;
  color: var(--fg-3);
}
.index-box__title span { color: var(--fg-3); opacity: .8; }
.index-box__list { list-style: none; margin: 0; padding: 0; }
.index-box__list li { padding: 3px 0; font-size: 12px; line-height: 1.6; }
.index-box__list a { color: var(--fg-3); }
.index-box__list a:hover { color: var(--fg-2); text-decoration: underline; }

/* ---------- 页脚 ---------- */
.ftr {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 30px 0 22px;
  font-size: 13px;
  color: var(--fg-2);
}

.ftr__in {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.ftr__name { margin: 0; font-weight: 600; color: var(--fg); font-size: 14px; }
.ftr__desc { margin: 4px 0 0; color: var(--fg-3); font-size: 12.5px; }

.ftr__links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12.5px; }
.ftr__links a { color: var(--fg-2); }
.ftr__links a:hover { color: var(--accent); }

.ftr__meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--fg-3);
  font-size: 12px;
}
.ftr__meta a { color: var(--fg-3); }
.ftr__note { margin-left: auto; }

/* ---------- 搜索弹层 ---------- */
.smodal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10, 12, 16, .45);
  backdrop-filter: blur(3px);
  padding: 10vh 16px 0;
}
.smodal[hidden] { display: none; }

.smodal__panel {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
  overflow: hidden;
}

.smodal__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.smodal__head input {
  flex: 1;
  border: 0;
  background: transparent;
  font-size: 15px;
  color: var(--fg);
  outline: none;
  padding: 6px 2px;
  font-family: inherit;
}

.smodal__head button {
  border: 0;
  background: transparent;
  color: var(--fg-3);
  font-size: 15px;
  cursor: pointer;
  padding: 4px 6px;
}

.smodal__list { list-style: none; margin: 0; padding: 6px 0 10px; max-height: 52vh; overflow-y: auto; }
.smodal__list li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 16px;
  font-size: 14px;
}
.smodal__list li:hover { background: var(--bg-soft); }
.smodal__list a {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.smodal__list em { font-style: normal; font-size: 11.5px; color: var(--fg-3); flex: 0 0 auto; }
.smodal__tip { color: var(--fg-3); font-size: 13px; }

/* 蜘蛛统计打点，视觉上不可见但不隐藏链接内容 */
.beacon {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .page-detail .main { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .post-side { position: static; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
  .list-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .list-side { position: static; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .main { padding: 18px 16px 48px; }
  .hdr__in { gap: 14px; height: 54px; }
  .nav { gap: 15px; font-size: 13.5px; }
  .home-hero__title { font-size: 22px; }
  .home-hero__stat { display: none; }
  .lead-story { padding: 18px 16px; }
  .lead-story__title { font-size: 20px; }
  .cards { grid-template-columns: 1fr; }
  .card__thumb { width: 104px; height: 74px; }
  .card__title { font-size: 15.5px; -webkit-line-clamp: 2; }
  .card__desc { display: none; }
  .post__title { font-size: 23px; }
  .post__body { font-size: 16px; }
  .post__pager { flex-direction: column; }
  .post__pager-item.is-next { text-align: left; }
  .ftr__note { margin-left: 0; width: 100%; }
  .smodal { padding-top: 6vh; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}