.page-news {
  background: var(--c-space);
  color: var(--c-white);
}

.page-news .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== 头部区 ========== */
.page-news .news-head {
  position: relative;
  padding: 72px 0 44px;
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}

.page-news .news-head::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 8px;
  background: linear-gradient(90deg, transparent, var(--c-neon), var(--c-orange));
}

.page-news .news-head__grid {
  display: grid;
  gap: 36px;
  align-items: end;
}

.page-news .news-head__kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-news .news-head__kicker::before {
  content: "";
  display: block;
  width: 42px;
  height: 6px;
  background: var(--c-neon);
  transform: skewX(-30deg);
  flex-shrink: 0;
}

.page-news .news-head h1 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: .015em;
  max-width: 860px;
}

.page-news .news-head__desc {
  margin: 0;
  max-width: 760px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-cloud);
}

.page-news .news-head__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.page-news .stat-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  border-bottom: 4px solid var(--c-neon);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.page-news .stat-cell:hover {
  border-bottom-color: var(--c-orange);
  transform: translateY(-2px);
}

.page-news .stat-cell__num {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
}

.page-news .stat-cell__label {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--c-cloud);
}

/* ========== 主布局 ========== */
.page-news .news-layout {
  display: grid;
  gap: 32px;
  padding: 48px 0 80px;
}

/* ========== 侧边栏 ========== */
.page-news .news-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-self: start;
  margin-bottom: 8px;
}

.page-news .news-index__title {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-news .news-index__title::after {
  content: "";
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 255, 136, .5), transparent);
}

.page-news .news-index__item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px 9px 14px;
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-cloud);
  text-decoration: none;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.page-news .news-index__item::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--c-neon);
  transform: skewX(-20deg);
  flex-shrink: 0;
}

.page-news .news-index__item:hover,
.page-news .news-index__item:focus-visible {
  background: rgba(0, 255, 136, .1);
  color: var(--c-white);
  border-color: var(--c-neon);
  transform: translateX(6px);
  outline: none;
}

.page-news .news-index__item--active {
  color: var(--c-white);
  border-color: var(--c-neon);
  background: rgba(0, 255, 136, .08);
}

.page-news .news-index__item--active::before {
  background: var(--c-orange);
}

.page-news .news-index__rel {
  display: none;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 2px dashed var(--c-border);
}

.page-news .news-index__rel-title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-cloud);
}

.page-news .news-index__rel-link {
  display: block;
  padding: 7px 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--c-cloud);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast), padding-left var(--transition-fast);
}

.page-news .news-index__rel-link:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
  padding-left: 8px;
}

/* ========== 内容流 ========== */
.page-news .news-feed {
  min-width: 0;
}

.page-news .news-sec {
  margin-bottom: 60px;
  scroll-margin-top: 140px;
}

.page-news .news-sec:last-child {
  margin-bottom: 0;
}

.page-news .news-sec__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--c-border);
}

.page-news .news-sec__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-news .news-sec__title::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 10px;
  background: var(--c-orange);
  transform: skewX(-30deg);
  flex-shrink: 0;
}

.page-news .news-sec__count {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-cloud);
  white-space: nowrap;
}

/* ========== 公告条目 ========== */
.page-news .news-article {
  position: relative;
  display: flex;
  gap: 14px;
  padding: 26px 0;
  border-bottom: 1px dashed var(--c-border);
  transition: padding-left var(--transition-base), border-color var(--transition-base);
}

.page-news .news-article::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, rgba(0, 255, 136, .85), rgba(255, 107, 53, .3) 40%, transparent 85%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.page-news .news-article:hover {
  padding-left: 10px;
}

.page-news .news-article:hover::after {
  opacity: 1;
}

.page-news .news-article__mark {
  flex-shrink: 0;
  width: 4px;
  border-radius: 2px;
  background: var(--c-neon);
  transition: width var(--transition-base), background var(--transition-base);
}

.page-news .news-article:hover .news-article__mark {
  width: 9px;
  background: var(--c-orange);
}

.page-news .news-article__body {
  flex: 1;
  min-width: 0;
}

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

.page-news .news-article__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .news-article__summary {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-cloud);
  max-width: 100%;
}

.page-news .news-article__media {
  margin-top: 18px;
  border: 2px solid var(--c-border);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-news .news-article:hover .news-article__media {
  border-color: var(--c-neon);
  box-shadow: var(--shadow-neon);
}

.page-news .news-article__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 400ms ease;
}

.page-news .news-article:hover .news-article__img {
  transform: scale(1.02);
}

.page-news .news-article__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.page-news .news-article__time {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--c-cloud);
}

.page-news .news-article__time::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--c-orange);
}

.page-news .news-article__more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-neon);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.page-news .news-article__more:hover {
  gap: 10px;
  text-decoration: underline;
}

.page-news .news-article--lead {
  background: linear-gradient(120deg, rgba(22, 39, 62, .85), rgba(10, 26, 47, .2) 70%);
  padding: 30px 0 30px 14px;
  margin-bottom: 8px;
}

.page-news .news-article--lead .news-article__title {
  font-size: 26px;
}

/* ========== 维护日志 ========== */
.page-news .log-wrap {
  display: grid;
  gap: 28px;
}

.page-news .log-visual {
  position: relative;
  border: 2px solid var(--c-border);
  overflow: hidden;
}

.page-news .log-visual::after {
  content: "MAINTENANCE LOG";
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 12px;
  background: rgba(10, 26, 47, .85);
  border-left: 4px solid var(--c-neon);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--c-neon);
}

.page-news .log-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-news .log-stages {
  display: flex;
  flex-direction: column;
}

.page-news .log-stage {
  padding: 22px 0;
  border-bottom: 1px solid var(--c-border);
  transition: padding-left var(--transition-fast), background var(--transition-fast);
}

.page-news .log-stage:first-child {
  border-top: 2px solid var(--c-border);
}

.page-news .log-stage:hover {
  padding-left: 12px;
  background: rgba(22, 39, 62, .45);
}

.page-news .log-stage__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.page-news .log-stage__num {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-border);
}

.page-news .log-stage--done .log-stage__num {
  color: var(--c-neon);
}

.page-news .log-stage--active .log-stage__num {
  color: var(--c-orange);
}

.page-news .log-stage--plan .log-stage__num {
  color: rgba(160, 180, 196, .4);
}

.page-news .log-stage__title-block h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .log-stage__title-block p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-cloud);
}

.page-news .log-stage__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-left: 42px;
}

.page-news .log-stage__badge {
  flex-shrink: 0;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  border: 1px solid var(--c-border);
  color: var(--c-cloud);
}

.page-news .log-stage--done .log-stage__badge {
  color: var(--c-neon);
  border-color: rgba(0, 255, 136, .4);
}

.page-news .log-stage--active .log-stage__badge {
  color: var(--c-orange);
  border-color: rgba(255, 107, 53, .5);
  background: rgba(255, 107, 53, .08);
}

.page-news .log-stage--plan .log-stage__badge {
  color: var(--c-cloud);
  border-style: dashed;
}

.page-news .log-stage__track {
  flex: 1;
  max-width: 200px;
  height: 6px;
  background: rgba(42, 63, 85, .6);
  overflow: hidden;
}

.page-news .log-stage__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--c-neon), var(--c-orange));
  transform-origin: left center;
  transition: transform var(--transition-base);
}

.page-news .log-stage:hover .log-stage__fill {
  transform: scaleX(1.03);
}

.page-news .log-stage__fill.is-full {
  transform: scaleX(1);
}

/* ========== 功能更新 ========== */
.page-news .feat-grid {
  display: grid;
  gap: 24px;
}

.page-news .feat-card {
  display: flex;
  flex-direction: column;
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.page-news .feat-card:hover {
  border-color: var(--c-neon);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.page-news .feat-card__media {
  border-bottom: 2px solid var(--c-border);
  overflow: hidden;
}

.page-news .feat-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transition: transform 400ms ease;
}

.page-news .feat-card:hover .feat-card__media img {
  transform: scale(1.03);
}

.page-news .feat-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.page-news .feat-card__body h3 {
  margin: 12px 0 10px;
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .feat-card__body p {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-cloud);
}

.page-news .feat-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(42, 63, 85, .7);
  font-size: 13px;
}

.page-news .feat-card__foot span {
  color: var(--c-cloud);
}

.page-news .feat-card__foot a {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--c-neon);
  text-decoration: none;
}

.page-news .feat-card__foot a:hover {
  text-decoration: underline;
}

.page-news .feat-card__deco {
  height: 6px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-orange) 60%, transparent);
}

.page-news .feat-card--alt {
  border-left: 6px solid var(--c-neon);
  background: linear-gradient(135deg, var(--c-steel) 60%, rgba(255, 107, 53, .12) 100%);
}

/* ========== 专题内容 ========== */
.page-news .topic-wrap {
  display: grid;
  gap: 24px;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  background: var(--c-steel);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.page-news .topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-neon);
}

.page-news .topic-card__media {
  overflow: hidden;
  border-bottom: 2px solid var(--c-border);
}

.page-news .topic-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  transition: transform 400ms ease;
}

.page-news .topic-card:hover .topic-card__media img {
  transform: scale(1.03);
}

.page-news .topic-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.page-news .topic-card__body h3 {
  margin: 12px 0 10px;
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .topic-card__body p {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-cloud);
}

.page-news .topic-card__body a {
  align-self: flex-start;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--c-neon);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-news .topic-card__body a:hover {
  border-bottom-color: var(--c-neon);
}

.page-news .topic-card__deco {
  height: 6px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-orange) 70%, transparent);
}

.page-news .topic-card:last-child {
  border-left: 6px solid var(--c-gold);
}

/* ========== 平板增强 ========== */
@media (min-width: 768px) {
  .page-news .news-head {
    padding: 84px 0 52px;
  }

  .page-news .news-head h1 {
    font-size: 46px;
  }

  .page-news .news-head__grid {
    grid-template-columns: 1fr 320px;
  }

  .page-news .news-article--lead .news-article__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
    align-items: start;
  }

  .page-news .news-article--lead .news-article__meta {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-article--lead .news-article__title {
    grid-column: 1;
    grid-row: 2;
  }

  .page-news .news-article--lead .news-article__summary {
    grid-column: 1;
    grid-row: 3;
  }

  .page-news .news-article--lead .news-article__media {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
  }

  .page-news .news-article--lead .news-article__foot {
    grid-column: 1 / -1;
    grid-row: 4;
    margin-top: 16px;
  }

  .page-news .log-wrap {
    grid-template-columns: 260px 1fr;
    gap: 32px;
  }
}

/* ========== 桌面增强 ========== */
@media (min-width: 1024px) {
  .page-news .news-head h1 {
    font-size: 52px;
  }

  .page-news .news-layout {
    grid-template-columns: 240px 1fr;
    gap: 48px;
  }

  .page-news .news-index {
    position: sticky;
    top: 160px;
    display: block;
    background: var(--c-steel);
    border: 2px solid var(--c-border);
    border-top: 5px solid var(--c-neon);
    box-shadow: var(--shadow-card);
    padding: 26px 20px;
  }

  .page-news .news-index__item {
    display: flex;
    width: 100%;
    padding: 13px 12px;
    margin-bottom: 2px;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(42, 63, 85, .8);
    clip-path: none;
    border-radius: 0;
  }

  .page-news .news-index__item:hover {
    background: rgba(0, 255, 136, .1);
  }

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

  .page-news .log-wrap {
    grid-template-columns: 360px 1fr;
    gap: 40px;
  }

  .page-news .log-stage__foot {
    max-width: 340px;
  }

  .page-news .feat-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-news .topic-wrap {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}