.page-news {
  --news-line: rgba(168, 169, 173, 0.18);
  --news-panel-bg: rgba(10, 26, 47, 0.55);
  --news-blue-glow: rgba(0, 229, 255, 0.13);
  --news-red-glow: rgba(255, 61, 61, 0.08);
  background:
    radial-gradient(circle at 86% 6%, var(--news-blue-glow) 0%, transparent 42%),
    radial-gradient(circle at 8% 56%, var(--news-red-glow) 0%, transparent 34%),
    linear-gradient(180deg, var(--clr-night) 0%, var(--clr-deep-blue) 46%, var(--clr-night) 100%);
  padding-bottom: 72px;
}

.page-news .container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
  box-sizing: border-box;
}

.page-news .breadcrumb {
  padding-top: 24px;
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  color: var(--clr-gray);
}

.page-news .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.page-news .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--clr-silver);
  opacity: 0.6;
}

.page-news .breadcrumb__link {
  color: var(--clr-gray);
  text-decoration: none;
  transition: color 0.2s;
}

.page-news .breadcrumb__link:hover,
.page-news .breadcrumb__link:focus-visible {
  color: var(--clr-blue);
}

.page-news .page-news__wrap {
  position: relative;
  z-index: 1;
}

/* Hero */
.page-news__hero {
  position: relative;
  padding-block: 48px 36px;
  overflow: hidden;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0%, rgba(0, 229, 255, 0.06) 38%, rgba(255, 61, 61, 0.05) 74%, transparent 100%);
  pointer-events: none;
}

.page-news__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-news__hero-kicker {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.page-news__hero-index {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-silver);
}

.page-news__hero-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 58px);
  line-height: 1.1;
  color: var(--clr-pearl);
  margin: 0 0 18px;
  transform: skewX(var(--skew));
  letter-spacing: 0.01em;
}

.page-news__hero-title em {
  font-style: normal;
  display: block;
  color: var(--clr-blue);
}

.page-news__hero-desc {
  max-width: 580px;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--clr-gray);
}

.page-news__hero-desc strong {
  color: var(--clr-blue);
  font-weight: 600;
}

.page-news__state {
  position: relative;
  background: var(--news-panel-bg);
  border: 1px solid var(--news-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: hidden;
}

.page-news__state::after {
  content: "";
  position: absolute;
  right: -42px;
  top: -42px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.28) 0%, transparent 68%);
  pointer-events: none;
}

.page-news__state-label {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-silver);
  margin-bottom: 8px;
}

.page-news__state-value {
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--clr-pearl);
  margin-bottom: 20px;
  transform: skewX(var(--skew));
}

.page-news__state-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 12px;
  border-top: 1px solid rgba(168, 169, 173, 0.14);
  font-size: 14px;
}

.page-news__state-row span {
  color: var(--clr-gray);
}

.page-news__state-row strong {
  color: var(--clr-blue);
  font-weight: 600;
}

/* 筛选标签 */
.page-news__filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-block: 8px 18px;
  padding: 10px;
  border-radius: var(--radius-pill);
  background: rgba(10, 26, 47, 0.7);
  border: 1px solid var(--news-line);
}

.page-news__filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(168, 169, 173, 0.38);
  background: transparent;
  color: var(--clr-gray);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-news__filter:hover,
.page-news__filter:focus-visible {
  color: var(--clr-blue);
  border-color: var(--clr-blue);
  outline: none;
}

.page-news__filter.is-active {
  background: var(--grad-blue);
  color: var(--clr-night);
  border-color: transparent;
  font-weight: 600;
}

/* 时间轴区块布局 */
.page-news__section {
  position: relative;
  padding-block: 52px 8px;
}

.page-news__section::before {
  content: "";
  position: absolute;
  right: 4%;
  top: 28px;
  font-family: var(--font-display);
  font-size: clamp(88px, 12vw, 176px);
  line-height: 1;
  z-index: 0;
  pointer-events: none;
}

.page-news__section--1::before {
  content: "01";
  color: rgba(0, 229, 255, 0.045);
}

.page-news__section--2::before {
  content: "02";
  color: rgba(255, 61, 61, 0.04);
}

.page-news__section--3::before {
  content: "03";
  color: rgba(0, 229, 255, 0.04);
}

.page-news__section--4::before {
  content: "04";
  color: rgba(255, 176, 32, 0.04);
}

.page-news__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-news__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.page-news__rail-node {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--clr-night);
  border: 3px solid var(--clr-blue);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.55);
}

.page-news__rail-label {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-blue);
}

.page-news__content {
  min-width: 0;
}

.page-news .section__head {
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(168, 169, 173, 0.14);
}

.page-news .section__title {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  color: var(--clr-pearl);
  transform: skewX(var(--skew));
  margin: 0 0 8px;
}

.page-news .section__subtitle {
  font-size: 14px;
  color: var(--clr-silver);
  margin: 0;
}

/* 新闻条目 */
.page-news__post {
  position: relative;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--news-line);
}

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

.page-news__post--featured {
  background: linear-gradient(100deg, rgba(255, 61, 61, 0.06) 0%, rgba(0, 229, 255, 0.04) 100%);
  border-bottom: 1px solid rgba(255, 61, 61, 0.22);
  border-radius: var(--radius-md);
  padding: 28px 24px 30px;
}

.page-news__post-tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news__post-date {
  font-size: 13px;
  color: var(--clr-silver);
  letter-spacing: 0.06em;
}

.page-news__post-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  color: var(--clr-pearl);
  margin: 0 0 12px;
}

.page-news__post-desc {
  max-width: 740px;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--clr-gray);
}

.page-news__post-desc strong {
  color: var(--clr-pearl);
  font-weight: 600;
}

.page-news__post-img {
  max-width: 100%;
  margin: 8px 0 20px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-news__post-img img,
.page-news__log-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* 功能优化日志 */
.page-news__log-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 8px;
}

.page-news__log-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid rgba(168, 169, 173, 0.12);
}

.page-news__log-no {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--clr-blue);
  transform: skewX(-8deg);
  opacity: 0.85;
  line-height: 1.2;
}

.page-news__log-copy .page-news__post-title {
  font-size: 18px;
  margin-bottom: 6px;
}

.page-news__log-copy .page-news__post-desc {
  margin-bottom: 0;
  font-size: 14px;
}

.page-news__log-image {
  max-width: 100%;
  margin: 20px 0 24px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

/* 支持卡片 */
.page-news__support {
  margin-top: 28px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--news-panel-bg);
  border: 1px solid var(--news-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-news__support-text {
  margin: 0;
  font-size: 15px;
  color: var(--clr-gray);
}

@media (min-width: 768px) {
  .page-news__hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .page-news__hero {
    padding-block: 52px 44px;
  }

  .page-news__state {
    padding: 32px;
  }

  .page-news__state-value {
    font-size: 34px;
  }
}

@media (min-width: 900px) {
  .page-news__layout {
    grid-template-columns: 200px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 0;
    padding-top: 8px;
    position: relative;
  }

  .page-news__rail::before {
    content: "";
    position: absolute;
    left: 22px;
    top: 34px;
    bottom: -120px;
    width: 2px;
    background: linear-gradient(180deg, var(--clr-blue) 0%, rgba(168, 169, 173, 0.3) 60%, rgba(255, 61, 61, 0.4) 100%);
  }

  .page-news__section:last-child .page-news__rail::before {
    bottom: 0;
  }

  .page-news__rail-node {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(0, 229, 255, 0.65);
    background: var(--clr-night);
    box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
  }

  .page-news__rail-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    font-size: 15px;
    letter-spacing: 0.2em;
    color: var(--clr-silver);
  }

  .page-news__section {
    padding-block: 72px 16px;
  }

  .page-news__filter {
    padding: 12px 26px;
  }

  .page-news__log-list {
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
  }

  .page-news__log-item:nth-last-child(2) {
    border-bottom: 1px solid rgba(168, 169, 173, 0.12);
  }
}