/* ===== 页面专属样式：page-news ===== */
.page-news {
  overflow-x: hidden;
  color: var(--yk-ink);
  background: var(--yk-bg);
  font-family: var(--yk-font-serif);
}

/* 面包屑 */
.page-news .page-news-breadcrumb {
  padding: 24px 5% 0;
  font-family: var(--yk-font-sans);
  font-size: .85rem;
  color: var(--yk-gray);
}
.page-news .page-news-breadcrumb a {
  color: var(--yk-mid);
  text-decoration: none;
  transition: color .2s ease;
}
.page-news .page-news-breadcrumb a:hover,
.page-news .page-news-breadcrumb a:focus-visible {
  color: var(--yk-orange);
}
.page-news .page-news-breadcrumb__sep {
  margin: 0 8px;
  color: rgba(10, 27, 61, .25);
}

/* 首屏横幅 */
.page-news .page-news-hero {
  position: relative;
  margin: 20px 5% 0;
  background: var(--yk-dark);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--yk-shadow-md);
}
.page-news .page-news-hero__panel {
  padding: 28px 22px 26px;
  color: var(--yk-white);
  position: relative;
  z-index: 2;
}
.page-news .page-news-hero .yunkai-tag {
  margin-bottom: 14px;
}
.page-news .page-news-hero h1 {
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 1.9rem;
  line-height: 1.3;
  letter-spacing: .02em;
  margin: 0 0 14px;
}
.page-news .page-news-hero__lead {
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
  margin: 0 0 18px;
}
.page-news .page-news-hero .yunkai-btn {
  margin-top: 4px;
}
.page-news .page-news-hero__stats {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 18px;
}
.page-news .page-news-hero .yunkai-stat-value {
  display: block;
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--yk-white);
  line-height: 1.2;
}
.page-news .page-news-hero__unit {
  font-size: .75em;
  margin-left: 1px;
}
.page-news .page-news-hero .yunkai-stat-label {
  display: block;
  font-family: var(--yk-font-sans);
  font-size: .72rem;
  color: rgba(255, 255, 255, .55);
  margin-top: 4px;
  letter-spacing: .06em;
}
.page-news .page-news-hero__media {
  position: relative;
  min-height: 160px;
  background: linear-gradient(135deg, var(--yk-mid) 0%, var(--yk-purple) 100%);
}
.page-news .page-news-hero__image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  opacity: .88;
}
.page-news .page-news-hero__vertical-note {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--yk-font-sans);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .42em;
  color: rgba(255, 255, 255, .35);
  text-transform: uppercase;
  z-index: 3;
}

/* 分类筛选 */
.page-news .page-news-filter {
  margin: 28px 5% 0;
  padding: 18px 18px 20px;
  background: var(--yk-white);
  border-left: 4px solid var(--yk-orange);
  box-shadow: var(--yk-shadow-sm);
}
.page-news .page-news-filter__title {
  font-family: var(--yk-font-sans);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--yk-mid);
  margin: 0 0 12px;
}
.page-news .page-news-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .page-news-filter__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  font-family: var(--yk-font-sans);
  font-size: .82rem;
  font-weight: 600;
  color: var(--yk-mid);
  background: var(--yk-bg);
  border: 1px solid var(--yk-line);
  border-radius: 0;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.page-news .page-news-filter__item:hover,
.page-news .page-news-filter__item:focus-visible {
  border-color: var(--yk-orange);
  color: var(--yk-orange-deep);
  box-shadow: 0 2px 8px rgba(255, 107, 53, .18);
}
.page-news .page-news-filter__item:target {
  background: var(--yk-orange);
  border-color: var(--yk-orange);
  color: #fff;
}
.page-news .page-news-filter__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  font-size: .72rem;
  font-weight: 700;
  background: rgba(10, 27, 61, .08);
  border-radius: 20px;
  line-height: 1;
}
.page-news .page-news-filter__item:target .page-news-filter__count {
  background: rgba(255, 255, 255, .25);
  color: #fff;
}

/* 最新发布 */
.page-news .page-news-latest {
  margin: 36px 5% 0;
}
.page-news .page-news-latest__heading {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.page-news .page-news-latest__heading h2 {
  font-family: var(--yk-font-sans);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--yk-dark);
  margin: 0;
}
.page-news .page-news-latest__sub {
  width: 100%;
  font-size: .88rem;
  color: var(--yk-gray);
  margin: 0;
  line-height: 1.7;
}
.page-news .yunkai-line {
  min-width: 48px;
  height: 4px;
}

/* 置顶特色文章 */
.page-news .page-news-feature {
  display: grid;
  background: var(--yk-white);
  box-shadow: var(--yk-shadow-md);
  border: 1px solid var(--yk-line);
  transition: box-shadow .3s ease;
}
.page-news .page-news-feature:hover {
  box-shadow: 0 16px 40px rgba(10, 27, 61, .14);
}
.page-news .page-news-feature__media {
  margin: 0;
  background: linear-gradient(135deg, var(--yk-dark) 0%, var(--yk-mid) 100%);
}
.page-news .page-news-feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .page-news-feature__body {
  padding: 22px 20px 24px;
}
.page-news .page-news-feature__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.page-news .page-news-feature h3 {
  font-family: var(--yk-font-sans);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--yk-dark);
  margin: 0 0 10px;
}
.page-news .page-news-feature p {
  font-size: .92rem;
  line-height: 1.8;
  color: var(--yk-gray);
  margin: 0 0 18px;
}

/* 时间标签 */
.page-news .page-news-time {
  font-family: var(--yk-font-sans);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--yk-orange-deep);
  white-space: nowrap;
}

/* 分类组容器 */
.page-news .page-news-groups {
  margin-top: 32px;
  display: grid;
  gap: 22px;
}

/* 单个分类组 */
.page-news .page-news-group {
  background: var(--yk-white);
  border: 1px solid var(--yk-line);
  border-top: 3px solid var(--yk-purple);
  padding: 20px 18px 8px;
  scroll-margin-top: 24px;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.page-news .page-news-group:target {
  border-top-color: var(--yk-orange);
  box-shadow: 0 12px 32px rgba(10, 27, 61, .12);
}
.page-news .page-news-group__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--yk-line);
}
.page-news .page-news-group__header h3 {
  font-family: var(--yk-font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--yk-dark);
  margin: 0;
}
.page-news .page-news-group__desc {
  font-size: .78rem;
  color: var(--yk-gray);
  letter-spacing: .04em;
}
.page-news .page-news-group__items {
  display: grid;
  gap: 4px;
}

/* 文章条目 */
.page-news .page-news-item {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--yk-line);
  transition: box-shadow .25s ease;
}
.page-news .page-news-item:last-child {
  border-bottom: none;
}
.page-news .page-news-item:hover {
  box-shadow: 0 6px 18px rgba(10, 27, 61, .08);
}
.page-news .page-news-item__media {
  margin: 0;
  background: linear-gradient(135deg, var(--yk-mid), var(--yk-purple));
}
.page-news .page-news-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .page-news-item__body {
  min-width: 0;
}
.page-news .page-news-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.page-news .page-news-item h4 {
  font-family: var(--yk-font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--yk-dark);
  margin: 0 0 6px;
  transition: color .2s ease;
}
.page-news .page-news-item:hover h4 {
  color: var(--yk-orange-deep);
}
.page-news .page-news-item p {
  font-size: .88rem;
  line-height: 1.75;
  color: var(--yk-gray);
  margin: 0;
}

/* 紧凑变体 */
.page-news .page-news-item--compact {
  padding: 14px 0;
}
.page-news .page-news-item--compact h4 {
  font-size: .98rem;
}

/* 关注方式 */
.page-news .page-news-follow {
  margin: 48px 5% 0;
  padding: 32px 22px;
  background: var(--yk-dark);
  color: var(--yk-white);
  position: relative;
  overflow: hidden;
}
.page-news .page-news-follow::before {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, var(--yk-purple), var(--yk-magenta));
  top: -50px;
  right: -30px;
  transform: rotate(20deg);
  opacity: .8;
}
.page-news .page-news-follow::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yk-orange), var(--yk-purple), var(--yk-magenta));
}
.page-news .page-news-follow h2 {
  font-family: var(--yk-font-sans);
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0 0 6px;
  position: relative;
  z-index: 1;
}
.page-news .page-news-follow__lead {
  font-size: .88rem;
  color: rgba(255, 255, 255, .65);
  margin: 0 0 26px;
  position: relative;
  z-index: 1;
}
.page-news .page-news-follow__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
}
.page-news .page-news-follow__item {
  padding-left: 46px;
  position: relative;
}
.page-news .page-news-follow__index {
  position: absolute;
  left: 0;
  top: 2px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--yk-font-sans);
  font-size: .86rem;
  font-weight: 900;
  color: var(--yk-orange);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 2px;
}
.page-news .page-news-follow__item h3 {
  font-family: var(--yk-font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 6px;
}
.page-news .page-news-follow__item p {
  font-size: .86rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .7);
  margin: 0;
}
.page-news .page-news-follow__item a {
  color: var(--yk-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s ease;
}
.page-news .page-news-follow__item a:hover,
.page-news .page-news-follow__item a:focus-visible {
  color: #fff;
}

/* 键盘焦点 */
.page-news a:focus-visible,
.page-news .yunkai-btn:focus-visible {
  outline: 3px solid var(--yk-orange);
  outline-offset: 2px;
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-news .page-news-breadcrumb {
    padding: 28px 4% 0;
  }
  .page-news .page-news-hero {
    margin: 20px 4% 0;
    flex-direction: row;
    min-height: 320px;
  }
  .page-news .page-news-hero__panel {
    width: 58%;
    padding: 40px 36px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-news .page-news-hero h1 {
    font-size: 2.2rem;
  }
  .page-news .page-news-hero__lead {
    max-width: 32em;
  }
  .page-news .page-news-hero__stats {
    margin-top: 26px;
    max-width: 420px;
  }
  .page-news .page-news-hero__media {
    width: 42%;
    min-height: 320px;
    clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
    margin-left: -4%;
  }
  .page-news .page-news-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }
  .page-news .page-news-hero__vertical-note {
    right: 18px;
  }

  .page-news .page-news-filter {
    margin: 32px 4% 0;
    padding: 20px 24px;
  }
  .page-news .page-news-filter__list {
    gap: 10px;
  }
  .page-news .page-news-filter__item {
    padding: 9px 16px;
  }

  .page-news .page-news-latest {
    margin: 44px 4% 0;
  }
  .page-news .page-news-latest__heading {
    margin-bottom: 28px;
  }
  .page-news .page-news-latest__sub {
    width: auto;
    margin-left: auto;
    font-size: .9rem;
  }

  .page-news .page-news-feature {
    grid-template-columns: 1.15fr 1fr;
    align-items: stretch;
  }
  .page-news .page-news-feature__media {
    min-height: 300px;
  }
  .page-news .page-news-feature__body {
    padding: 30px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-news .page-news-feature h3 {
    font-size: 1.5rem;
  }
  .page-news .page-news-feature p {
    font-size: .95rem;
  }

  .page-news .page-news-groups {
    margin-top: 36px;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
  }
  .page-news .page-news-group {
    padding: 22px 20px 10px;
  }
  .page-news .page-news-group__items {
    gap: 6px;
  }

  .page-news .page-news-item--plain,
  .page-news .page-news-item--compact {
    padding: 16px 0;
  }

  .page-news .page-news-follow {
    margin: 56px 4% 0;
    padding: 44px 36px;
  }
  .page-news .page-news-follow__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-news .page-news-hero {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-news .page-news-filter {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-news .page-news-latest {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-news .page-news-follow {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-news .page-news-breadcrumb {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
  }
}