.page-news {
  --news-gap: 24px;
  --card-bg: #FCF9F3;
  --card-shadow: 3px 3px 0 rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 10px 24px rgba(43, 43, 43, 0.08);
  --on-dark: #CFC8BA;
  background: var(--paper);
  color: var(--text-main);
}

/* ===== 头部区域 ===== */
.page-news .news-head {
  padding-top: 24px;
}

.page-news .news-hero {
  position: relative;
  margin-top: 24px;
  padding: 32px 0 28px;
  border-top: 4px solid var(--orange);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-hero__deco {
  display: none;
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(44px, 11vw, 84px);
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-transform: uppercase;
  margin: 8px 0 18px;
  position: relative;
  z-index: 1;
}

.page-news .news-hero__brand {
  display: inline-block;
  background: var(--orange);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  padding: 5px 10px;
  text-transform: none;
  font-style: normal;
  margin-bottom: 12px;
}

.page-news .news-hero__page {
  display: block;
}

.page-news .news-hero__lead {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  position: relative;
  z-index: 1;
}

.page-news .news-hero__meta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  position: relative;
  z-index: 1;
}

/* ===== 主布局 ===== */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 32px;
  padding-bottom: 56px;
}

.page-news .news-main {
  display: grid;
  gap: 44px;
  order: -1;
}

/* ===== 侧边栏 ===== */
.page-news .news-sidebar {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  box-shadow: var(--card-shadow);
  padding: 20px;
}

.page-news .sidebar-card--dark {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .sidebar-card__title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 8px 0 14px;
}

.page-news .sidebar-card__title--dark {
  color: var(--green);
}

.page-news .sidebar-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 16px;
}

.page-news .sidebar-card--dark .sidebar-card__text {
  color: var(--on-dark);
}

.page-news .sidebar-card__btn {
  display: inline-block;
  border-color: var(--green);
  color: var(--green);
}

.page-news .sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-news .sidebar-nav__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding: 10px 0;
}

.page-news .sidebar-nav__item:first-child {
  border-top: none;
}

.page-news .sidebar-nav__item a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
}

.page-news .sidebar-nav__item a:hover {
  color: var(--orange);
}

.page-news .sidebar-nav__count {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--gray);
}

.page-news .sidebar-stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-news .sidebar-stats li {
  background: var(--paper-deep);
  border: 1px solid var(--line);
  padding: 10px;
}

.page-news .sidebar-stats strong {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  line-height: 1;
  color: var(--orange);
}

.page-news .sidebar-stats span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--gray);
}

/* ===== 区块通用 ===== */
.page-news .news-section {
  scroll-margin-top: 24px;
}

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 20px;
}

.page-news .section-note {
  font-size: 13px;
  color: var(--gray);
}

/* ===== 最新更新 / 瀑布流 ===== */
.page-news .waterfall {
  column-count: 1;
  column-gap: 20px;
}

.page-news .news-card {
  break-inside: avoid;
  margin-bottom: 20px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-top: 3px solid transparent;
  box-shadow: var(--card-shadow);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-news .news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.page-news .news-card:focus-within {
  box-shadow: 0 0 0 3px var(--orange);
}

.page-news .news-card--featured {
  border-top-color: var(--orange);
}

.page-news .news-card--accent {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .news-card__media {
  line-height: 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-card__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-card__body {
  padding: 16px;
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-card__time {
  font-size: 12px;
  color: var(--gray);
  white-space: nowrap;
}

.page-news .news-card__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  margin: 4px 0 8px;
}

.page-news .news-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray);
  margin: 0 0 12px;
}

.page-news .news-card__link {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
}

.page-news .news-card__link::after {
  content: " →";
}

.page-news .news-card__link:hover {
  color: var(--orange);
}

.page-news .news-card--accent .news-card__desc {
  color: var(--on-dark);
}

.page-news .news-card--accent .news-card__link {
  color: var(--green);
}

/* ===== 专家专栏分类 ===== */
.page-news .columns-block {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-news .columns-media {
  background: var(--paper-deep);
  border: 1px solid var(--line);
  padding: 12px;
  line-height: 0;
}

.page-news .columns-media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .columns-list {
  display: grid;
  gap: 12px;
}

.page-news .column-item {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  box-shadow: var(--card-shadow);
  padding: 16px;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-news .column-item:nth-child(2) {
  border-left-color: var(--blue);
}

.page-news .column-item:nth-child(3) {
  border-left-color: var(--green);
}

.page-news .column-item:nth-child(4) {
  border-left-color: var(--orange);
}

.page-news .column-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.page-news .column-item__title {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 6px;
}

.page-news .column-item__desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 10px;
}

/* ===== 版本公告 ===== */
.page-news .versions-block {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
  position: relative;
  padding-left: 18px;
}

.page-news .versions-block::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 2px;
  width: 2px;
  background: var(--line);
}

.page-news .version-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-left: 6px solid var(--blue);
  box-shadow: var(--card-shadow);
  padding: 18px;
  position: relative;
}

.page-news .version-card::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 2px var(--line);
}

.page-news .version-card--v3 {
  border-left-color: var(--orange);
}

.page-news .version-card--v3::before {
  background: var(--orange);
}

.page-news .version-card--v2 {
  border-left-color: var(--green);
}

.page-news .version-card--v2::before {
  background: var(--green);
}

.page-news .version-card--v1 {
  border-left-color: var(--blue);
}

.page-news .version-card--v1::before {
  background: var(--blue);
}

.page-news .version-card__version {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 42px;
  line-height: 1;
  color: var(--ink);
  margin: 6px 0 2px;
}

.page-news .version-card__name {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-news .version-card__list {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-news .versions-media {
  background: var(--paper-deep);
  border: 1px solid var(--line);
  padding: 12px;
  line-height: 0;
}

.page-news .versions-media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 热门文章 ===== */
.page-news .popular-block {
  display: grid;
  gap: 24px;
}

.page-news .popular-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}

.page-news .popular-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .popular-item:first-child {
  border-top: none;
}

.page-news .popular-item:hover {
  background: rgba(255, 107, 0, 0.04);
}

.page-news .popular-rank {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  color: var(--orange);
}

.page-news .popular-item__title {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 4px;
}

.page-news .popular-item__desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0 0 8px;
}

.page-news .popular-item__count {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--blue);
  background: rgba(10, 61, 145, 0.08);
  padding: 2px 8px;
}

.page-news .popular-aside {
  background: var(--ink);
  color: var(--paper);
  padding: 20px;
}

.page-news .popular-aside__inner {
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-news .popular-aside__img {
  width: 100%;
  max-width: 200px;
  height: auto;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.page-news .popular-aside__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark);
  margin: 0;
}

/* ===== 焦点可见 ===== */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 720px) {
  .page-news .waterfall {
    column-count: 2;
    column-gap: 20px;
  }

  .page-news .news-hero__deco {
    display: block;
    position: absolute;
    right: 0;
    top: 18px;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 700;
    font-size: 96px;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(43, 43, 43, 0.14);
    pointer-events: none;
    z-index: 0;
  }

  .page-news .news-hero__lead {
    max-width: 640px;
  }
}

@media (min-width: 900px) {
  .page-news .columns-block {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
  }

  .page-news .popular-block {
    grid-template-columns: 1.5fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 260px 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-news .news-main {
    order: 1;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: 24px;
    order: -1;
  }

  .page-news .popular-aside__inner {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1100px) {
  .page-news .waterfall {
    column-count: 3;
    column-gap: 22px;
  }

  .page-news .news-card--featured {
    column-span: all;
  }

  .page-news .news-card--featured .news-card__media {
    float: left;
    width: 280px;
    max-height: 190px;
    border-bottom: none;
    margin-right: 18px;
  }

  .page-news .news-card--featured .news-card__body {
    padding: 20px 22px;
  }

  .page-news .news-hero__deco {
    right: 4%;
    font-size: 120px;
  }
}