.page-news {
  --news-rail: 240px;
  --news-gap: 28px;
  color: var(--ok-ink);
  overflow-x: hidden;
}

.page-news__wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 页眉区 */
.page-news__masthead {
  position: relative;
  padding: 28px 0 32px;
}

.page-news__kicker {
  margin: 14px 0 6px;
  font-family: var(--ok-font-body);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ok-red);
}

.page-news h1 {
  margin: 0 0 14px;
  font-family: var(--ok-font-head);
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ok-blue);
}

.page-news__lead {
  margin: 0;
  max-width: 64ch;
  font-family: var(--ok-font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ok-ink);
}

.page-news__masthead-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-news__masthead-stats .ok-data-card {
  padding: 14px;
  text-align: left;
  background: var(--ok-card);
  border: 1px solid rgba(28, 42, 68, 0.05);
  box-shadow: var(--ok-shadow);
}

.page-news__masthead-stats .ok-data-label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #777;
}

.page-news__masthead-stats .ok-data-value {
  font-size: 28px;
  line-height: 1.15;
  color: var(--ok-green);
}

.page-news__masthead-stats .ok-data-card:nth-child(2) .ok-data-value {
  color: var(--ok-red);
}

.page-news__unit {
  margin-left: 2px;
  font-family: var(--ok-font-body);
  font-size: 0.5em;
  font-weight: normal;
  color: inherit;
}

.page-news__stripe {
  height: 5px;
  margin-top: 26px;
  border-radius: var(--ok-pill);
  background: linear-gradient(90deg, var(--ok-green) 0 42%, var(--ok-yellow) 42% 58%, var(--ok-red) 58% 100%);
}

/* 通用段落间距 */
.page-news .ok-section {
  margin-top: 48px;
}

.page-news .ok-section-head {
  margin-bottom: 18px;
}

.page-news .ok-section-index {
  font-family: var(--ok-font-data);
  color: var(--ok-red);
}

.page-news .ok-section-title {
  color: var(--ok-blue);
}

/* 01 精选文章 */
.page-news__feature-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--ok-radius);
  box-shadow: var(--ok-shadow-strong);
}

.page-news__feature-media {
  position: relative;
  overflow: hidden;
  background: var(--ok-grey);
}

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

.page-news__badge-new {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  padding: 6px 16px;
  border-radius: var(--ok-pill);
  background: var(--ok-yellow);
  color: var(--ok-blue);
  font-family: var(--ok-font-head);
  font-size: 13px;
  letter-spacing: 0.08em;
  box-shadow: 0 4px 14px rgba(28, 42, 68, 0.2);
}

.page-news__feature-date {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  padding: 5px 12px;
  border-radius: var(--ok-pill);
  background: rgba(28, 42, 68, 0.72);
  color: #fff;
  font-family: var(--ok-font-data);
  font-size: 12px;
}

.page-news__feature-body {
  padding: 20px;
}

.page-news__feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news__feature-body h3 {
  margin: 0 0 10px;
  font-family: var(--ok-font-head);
  font-size: 22px;
  line-height: 1.28;
  color: var(--ok-blue);
}

.page-news__feature-summary {
  margin: 0 0 14px;
  font-family: var(--ok-font-body);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .ok-collapse-body {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(28, 42, 68, 0.16);
}

.page-news .ok-collapse-body p {
  margin: 0;
  font-family: var(--ok-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ok-ink);
}

.page-news .ok-collapse-icon {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

/* 02 按标签分类 */
.page-news__catalog {
  position: relative;
}

.page-news__catalog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: 20px;
  align-items: start;
}

.page-news__catalog-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px;
  border-radius: var(--ok-radius);
  background: var(--ok-card);
  box-shadow: var(--ok-shadow);
  align-self: start;
}

.page-news__catalog-label {
  display: block;
  width: 100%;
  margin-bottom: 2px;
  font-family: var(--ok-font-body);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ok-red);
}

.page-news__catalog-nav .ok-tag {
  padding: 8px 16px;
  font-size: 14px;
}

.page-news .ok-tag--blue {
  background: rgba(28, 42, 68, 0.08);
  color: var(--ok-blue);
  border: 1px solid rgba(28, 42, 68, 0.22);
}

.page-news .ok-tag--yellow {
  background: rgba(241, 196, 15, 0.16);
  color: #7a6200;
  border: 1px solid rgba(241, 196, 15, 0.5);
}

.page-news__filter-art {
  flex-basis: 100%;
  margin: 10px 0 0;
  padding: 0;
}

.page-news__filter-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--ok-radius-sm);
  border: 1px solid rgba(28, 42, 68, 0.08);
}

.page-news__filter-art figcaption {
  margin-top: 6px;
  font-family: var(--ok-font-body);
  font-size: 12px;
  color: #888;
}

.page-news__catalog-main {
  display: grid;
  gap: 24px;
}

.page-news__topic {
  padding: 18px 16px;
  border-left: 4px solid var(--ok-green);
  border-radius: var(--ok-radius-sm);
  background: rgba(236, 236, 236, 0.5);
  scroll-margin-top: 80px;
  transition: box-shadow 0.3s ease;
}

.page-news__topic:nth-child(2) {
  border-left-color: var(--ok-red);
}

.page-news__topic:nth-child(3) {
  border-left-color: var(--ok-blue);
}

.page-news__topic:nth-child(4) {
  border-left-color: var(--ok-yellow);
}

.page-news__topic:target {
  outline: 2px solid rgba(30, 142, 90, 0.18);
  outline-offset: 4px;
  box-shadow: var(--ok-shadow);
}

.page-news__topic-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-family: var(--ok-font-head);
  font-size: 20px;
  color: var(--ok-blue);
}

.page-news__topic-num {
  padding: 3px 9px;
  border-radius: var(--ok-pill);
  background: rgba(192, 57, 43, 0.08);
  color: var(--ok-red);
  font-family: var(--ok-font-data);
  font-size: 13px;
}

.page-news__topic-desc {
  margin: 0 0 14px;
  font-family: var(--ok-font-body);
  font-size: 13px;
  line-height: 1.6;
  color: #666;
}

.page-news__article-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news__article-item {
  display: flex;
  gap: 14px;
  padding: 14px;
  border: 1px solid rgba(28, 42, 68, 0.06);
  border-radius: var(--ok-radius-sm);
  background: var(--ok-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

@media (hover: hover) {
  .page-news__article-item:hover {
    transform: translateX(4px);
    box-shadow: var(--ok-shadow);
  }
}

.page-news__article-no {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ok-green);
  color: #fff;
  font-family: var(--ok-font-data);
  font-size: 13px;
}

.page-news__article-item:nth-child(2) .page-news__article-no {
  background: var(--ok-red);
}

.page-news__article-item:nth-child(3) .page-news__article-no {
  background: var(--ok-blue);
}

.page-news__article-main {
  min-width: 0;
}

.page-news__article-main h5 {
  margin: 0 0 6px;
  font-family: var(--ok-font-head);
  font-size: 15px;
  line-height: 1.4;
  color: var(--ok-ink);
}

.page-news__article-main p {
  margin: 0 0 8px;
  font-family: var(--ok-font-body);
  font-size: 13px;
  line-height: 1.65;
  color: #555;
}

.page-news__topic .ok-btn {
  margin-top: 14px;
}

/* 03 更新公告 */
.page-news__announce {
  position: relative;
  margin-inline: -20px;
  padding: 36px 20px;
  overflow: hidden;
  color: var(--ok-warm);
}

.page-news__announce::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -30px;
  width: 170px;
  height: 170px;
  border-radius: 26px;
  background: rgba(241, 196, 15, 0.1);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-news__announce .ok-section-title,
.page-news__announce h3 {
  color: var(--ok-warm);
}

.page-news__announce .ok-section-index,
.page-news__announce .ok-section-kicker {
  color: var(--ok-yellow);
}

.page-news__announce .ok-section-line {
  background: var(--ok-yellow);
}

.page-news__announce-layout {
  position: relative;
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.page-news__announce-media {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--ok-radius);
  overflow: hidden;
}

.page-news__announce-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--ok-radius);
  box-shadow: var(--ok-shadow-strong);
}

.page-news__announce-content h3 {
  margin: 10px 0;
  font-family: var(--ok-font-head);
  font-size: 22px;
  line-height: 1.3;
}

.page-news__announce-content p {
  margin: 0 0 12px;
  font-family: var(--ok-font-body);
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.92;
}

.page-news__announce-list {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-news__announce-list li {
  position: relative;
  padding-left: 24px;
  font-family: var(--ok-font-body);
  font-size: 14px;
  line-height: 1.5;
  opacity: 0.95;
}

.page-news__announce-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok-yellow);
}

.page-news__announce-note {
  font-size: 12px !important;
  opacity: 0.7 !important;
}

/* 04 专题系列 */
.page-news__special {
  scroll-margin-top: 80px;
}

.page-news__special-layout {
  display: grid;
  gap: 24px;
  margin-top: 20px;
  align-items: start;
}

.page-news__special-side {
  display: grid;
  gap: 14px;
}

.page-news__special-media {
  margin: 0;
}

.page-news__special-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--ok-radius);
  box-shadow: var(--ok-shadow);
}

.page-news__special-media figcaption {
  margin-top: 8px;
  font-family: var(--ok-font-body);
  font-size: 12px;
  line-height: 1.5;
  color: #777;
}

.page-news__special-note {
  position: relative;
  overflow: hidden;
  padding: 16px;
}

.page-news__special-note::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 28px 28px 0;
  border-style: solid;
  border-color: transparent var(--ok-yellow) transparent transparent;
}

.page-news__special-note .ok-data-value {
  font-size: 30px;
  color: var(--ok-green);
}

.page-news__special-main {
  display: grid;
  gap: 16px;
}

.page-news__special-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

@media (hover: hover) {
  .page-news__special-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--ok-shadow);
  }
}

.page-news__special-no {
  flex: 0 0 auto;
  font-family: var(--ok-font-data);
  font-size: 28px;
  font-weight: bold;
  color: rgba(30, 142, 90, 0.22);
}

.page-news__special-content {
  min-width: 0;
}

.page-news__special-content h3 {
  margin: 8px 0;
  font-family: var(--ok-font-head);
  font-size: 18px;
  line-height: 1.32;
  color: var(--ok-blue);
}

.page-news__special-content p {
  margin: 0 0 10px;
  font-family: var(--ok-font-body);
  font-size: 14px;
  line-height: 1.65;
  color: #444;
}

.page-news__special-content .ok-btn {
  margin-top: 4px;
}

/* 相关页面 */
.page-news__related {
  margin: 44px 0 10px;
  padding: 20px;
  border: 1px solid rgba(28, 42, 68, 0.06);
  border-radius: var(--ok-radius);
  background: var(--ok-card);
  text-align: center;
}

.page-news__related-title {
  display: block;
  margin-bottom: 12px;
  font-family: var(--ok-font-body);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ok-red);
}

.page-news__related-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.page-news__related-links a {
  padding: 8px 14px;
  border-radius: var(--ok-pill);
  background: rgba(30, 142, 90, 0.08);
  color: var(--ok-green);
  font-family: var(--ok-font-body);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

@media (hover: hover) {
  .page-news__related-links a:hover {
    background: rgba(30, 142, 90, 0.18);
    color: var(--ok-green-dark);
  }
}

/* ===== 桌面端增强 ===== */
@media (min-width: 720px) {
  .page-news__announce {
    margin-inline: 0;
    border-radius: var(--ok-radius);
    padding: 36px 32px;
  }

  .page-news__announce-layout {
    grid-template-columns: 320px 1fr;
    gap: 30px;
    align-items: center;
  }

  .page-news__announce-media {
    min-height: 260px;
  }

  .page-news__announce-media img {
    height: 100%;
  }

  .page-news__feature-body {
    padding: 26px;
  }

  .page-news__masthead {
    padding-top: 36px;
  }

  .page-news__masthead-stats .ok-data-card {
    padding: 18px;
  }
}

@media (min-width: 860px) {
  .page-news h1 {
    font-size: 42px;
  }

  .page-news__masthead-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: end;
  }

  .page-news__masthead-stats {
    margin-top: 0;
  }

  .page-news__catalog-layout {
    grid-template-columns: var(--news-rail) 1fr;
    gap: 36px;
  }

  .page-news__catalog-nav {
    position: sticky;
    top: 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news__filter-art {
    margin-top: 14px;
  }

  .page-news__topic,
  .page-news__special {
    scroll-margin-top: 24px;
  }

  .page-news__special-layout {
    grid-template-columns: 280px 1fr;
    gap: 36px;
  }

  .page-news__special-media {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 960px) {
  .page-news__feature-card {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: stretch;
  }

  .page-news__feature-media {
    min-height: 430px;
  }

  .page-news__feature-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .page-news__feature-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 34px;
  }

  .page-news__feature-body h3 {
    font-size: 26px;
  }

  .page-news__feature-summary {
    font-size: 15px;
  }
}