/* ===== 内容专栏页 · 杂志式编辑布局 ===== */
.page-news {
  --news-bar-width: 350px;
  --news-gap: 2.5rem;
  background: var(--bg);
}

/* ---- Hero ---- */
.page-news__hero {
  position: relative;
  overflow: hidden;
  background: var(--gradient);
  color: #fff;
  padding: 3.5rem 1.25rem 3rem;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -6%;
  width: 26%;
  height: 140%;
  background: rgba(255, 215, 0, .1);
  transform: rotate(18deg);
  pointer-events: none;
  z-index: 1;
}

.page-news__hero-inner {
  position: relative;
  z-index: 3;
  max-width: var(--container);
  margin: 0 auto;
}

.page-news__hero-inner .breadcrumb {
  margin-bottom: 1.25rem;
  color: rgba(255, 255, 255, .72);
  font-size: .875rem;
}

.page-news__hero-inner .breadcrumb a {
  color: rgba(255, 255, 255, .9);
  text-decoration: none;
  transition: color .25s ease;
}

.page-news__hero-inner .breadcrumb a:hover {
  color: var(--accent);
}

.page-news__hero-inner .kicker {
  color: var(--accent);
  letter-spacing: .14em;
  font-weight: 600;
}

.page-news__hero-inner .display-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.05;
  margin: .6rem 0 1rem;
  text-transform: uppercase;
}

.page-news__hero-inner .lead {
  max-width: 720px;
  color: rgba(255, 255, 255, .8);
  font-size: 1rem;
  line-height: 1.7;
}

.page-news__hero-deco {
  position: absolute;
  right: 1rem;
  bottom: .5rem;
  z-index: 2;
  font-family: var(--font-num);
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 1;
  color: rgba(255, 255, 255, .1);
  font-weight: 700;
  writing-mode: vertical-rl;
  text-orientation: upright;
  user-select: none;
  pointer-events: none;
}

/* ---- 主体布局 ---- */
.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

/* ---- 左栏 文章列表 ---- */
.page-news__section-head {
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary);
  margin-bottom: .5rem;
}

.page-news__section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.15;
  color: var(--text);
  margin: .25rem 0 0;
}

.page-news__figure {
  margin: 1.5rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(13, 17, 55, .12);
}

.page-news__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__figure-caption {
  padding: .6rem .9rem;
  background: var(--bg-alt);
  font-size: .78rem;
  color: var(--text-weak);
  letter-spacing: .02em;
}

/* 文章项 */
.page-news__article {
  position: relative;
  padding: 1.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: background-color .35s ease, box-shadow .35s ease;
}

.page-news__article:last-of-type {
  border-bottom-color: transparent;
}

.page-news__article:hover {
  background-color: var(--bg-alt);
  box-shadow: inset 0 0 0 1px var(--border);
}

.page-news__article-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: .65rem;
}

.page-news__article-num {
  font-family: var(--font-num);
  font-size: 2.6rem;
  line-height: 1;
  font-weight: 700;
  color: var(--primary);
  opacity: .16;
  letter-spacing: .03em;
  transition: opacity .3s ease;
}

.page-news__article:hover .page-news__article-num {
  opacity: .34;
}

.page-news__article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
}

.page-news__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .32rem .8rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  white-space: nowrap;
}

.page-news__tag--feature {
  background: var(--primary);
  color: #fff;
}

.page-news__tag--preview {
  background: var(--accent);
  color: var(--text);
}

.page-news__tag--update {
  background: rgba(139, 0, 0, .1);
  color: var(--dark);
  border: 1px solid rgba(139, 0, 0, .28);
}

.page-news__tag--guide {
  background: var(--primary-soft);
  color: var(--primary);
}

.page-news__article-readtime {
  font-size: .78rem;
  color: var(--text-weak);
}

.page-news__article-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--text);
  margin: .25rem 0 .5rem;
  letter-spacing: .01em;
}

.page-news__article-excerpt {
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text-weak);
  margin: 0 0 .8rem;
}

.page-news__article-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .86rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, color .25s ease;
}

.page-news__article-link:hover {
  border-bottom-color: var(--primary);
  color: var(--dark);
}

.page-news__article-link:focus-visible,
.page-news__filter-link:focus-visible,
.page-news__subscribe-actions a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---- 右栏 ---- */
.page-news__sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-news__filter,
.page-news__rounds {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  border-left: 4px solid var(--primary);
}

.page-news__rounds {
  border-left-color: var(--accent);
}

.page-news__filter h2,
.page-news__rounds h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  margin: 0 0 1rem;
}

.page-news__filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-news__filter-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .42rem .9rem;
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--text);
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease, color .25s ease;
}

.page-news__filter-link:hover {
  background: var(--primary-soft);
  border-color: rgba(26, 35, 126, .35);
  color: var(--primary);
}

.page-news__filter-count {
  font-family: var(--font-num);
  font-size: .75rem;
  background: rgba(26, 35, 126, .1);
  border-radius: 999px;
  padding: .1rem .45rem;
  color: var(--primary);
}

.page-news__filter-note {
  margin: 1rem 0 0;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--text-weak);
}

/* 轮次 */
.page-news__round-list {
  display: flex;
  flex-direction: column;
}

.page-news__round-item {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
}

.page-news__round-item:last-child {
  border-bottom: none;
}

.page-news__round-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  min-width: 3.5rem;
}

.page-news__round-bar {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--bg-alt);
  overflow: hidden;
}

.page-news__round-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.page-news__round-status {
  font-size: .72rem;
  color: var(--text-weak);
  min-width: 3.5rem;
  text-align: right;
}

.page-news__round-status strong {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--primary);
  display: inline-block;
  margin-right: .15rem;
}

.page-news__rounds-note {
  margin: .8rem 0 0;
  font-size: .75rem;
  line-height: 1.5;
  color: var(--text-weak);
}

.page-news__side-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 0;
}

.page-news__side-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__side-image figcaption {
  padding: .55rem .85rem;
  background: var(--bg-alt);
  font-size: .75rem;
  color: var(--text-weak);
}

/* ---- 订阅横幅 ---- */
.page-news__subscribe {
  position: relative;
  overflow: hidden;
  background: var(--gradient);
  color: #fff;
  padding: 3rem 1.25rem;
}

.page-news__subscribe-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  z-index: 0;
}

.page-news__subscribe-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
}

.page-news__subscribe-content {
  background: rgba(13, 17, 55, .58);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  max-width: 760px;
}

.page-news__subscribe-content .kicker {
  color: var(--accent);
  margin-bottom: .4rem;
  letter-spacing: .12em;
  font-weight: 600;
}

.page-news__subscribe-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 0 0 .75rem;
}

.page-news__subscribe-content p {
  color: rgba(255, 255, 255, .82);
  line-height: 1.7;
  font-size: .94rem;
  margin: 0 0 1.4rem;
}

.page-news__subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---- 桌面端 ---- */
@media (min-width: 1024px) {
  .page-news__hero {
    padding: 5rem 1.25rem 4.25rem;
  }

  .page-news__layout {
    grid-template-columns: minmax(0, 1fr) var(--news-bar-width);
    gap: var(--news-gap);
    padding: 4rem 1.25rem 5rem;
  }

  .page-news__section-title {
    font-size: 2.4rem;
  }

  .page-news__article {
    padding: 2.25rem 2rem;
  }

  .page-news__article-num {
    font-size: 3.2rem;
  }

  .page-news__article-title {
    font-size: 1.65rem;
  }

  .page-news__sidebar {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }

  .page-news__subscribe {
    padding: 4rem 1.25rem;
  }

  .page-news__subscribe-content {
    padding: 2.5rem 2.25rem;
  }
}

/* ---- 减少动画 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0s;
    transition-delay: 0s;
  }
}